Orchid Speakers & Lecturers Directory
Orchid Speakers Directory
Find orchid speakers, educators, judges, growers, hybridizers, authors, and researchers for orchid society meetings, garden clubs, botanical gardens, Zoom programs, and special events.
62 speakers shown
Alan Koch
Lincoln, California 95648
Topics: Cattleya, General culture and more
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Alan Koch is the owner of Gold Country Orchids and is widely recognized as one of the leading experts in miniature and compact Cattleyas, as well as miniature orchid species. His passion for orchids began in 1969 when his aunt gave him three Cymbidiums. While attending college, he discovered the incredible diversity of orchids and learned that many could thrive outdoors in Southern California, launching a lifelong pursuit that continues today.
As his collection grew, so did the need for more space. After several moves, Alan established Gold Country Orchids on a 10-acre property in Lincoln, California, where he now grows an impressive collection of more than 250,000 orchids.
Internationally respected for his expertise in the Brazilian Cattleya alliance, Alan is considered a pioneer in miniature and compact Cattleya breeding. His work has been featured in Orchid Digest, the American Orchid Society's Orchids magazine, numerous international publications, and multiple World Orchid Conference proceedings.
Alan is a sought-after speaker who has shared his knowledge with orchid societies and conferences around the world. Throughout his distinguished career, he has served the American Orchid Society in many leadership roles, including the Judging Committee, Research Committee, Trustee, Emeritus Judge, and Training Coordinator for the California-Sierra Nevada Judging Center. He also served on the Orchid Digest Executive Committee, its Board of Directors, and currently serves as First Vice President of the International Phalaenopsis Alliance.
In addition to his breeding and educational work, Alan is well known throughout the orchid community for conducting many successful American Orchid Society fundraising auctions. His decades of experience, engaging presentations, and deep knowledge of Cattleyas make him one of the most respected and influential figures in the orchid world.
Art Chadwick
Powhatan, Virginia 23139
Topics: Cattleya, Orchid history
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Art Chadwick combines a strong technical background with a lifelong passion for orchids. He earned a Bachelor of Science in Electrical Engineering from North Carolina State University and later completed his MBA at James Madison University.
In 1989, Art and his father founded Chadwick & Son Orchids Inc. Together they built on a family legacy that began in 1943, when his father first started growing orchids. Today, Chadwick & Son Orchids is internationally recognized for preserving and growing many of the world's finest classic Cattleyas.
Art is also an accomplished author. His first book, The Classic Cattleyas, co-written with his father and published in 2006, quickly sold out and was followed by a fully updated second edition. The book received praise from Martha Stewart, who also invited both Art and his father to appear on her television show.
His second book, First Ladies and Their Cattleyas: A Century of Namesake Orchids, explores the fascinating history of the long-standing tradition of naming iconic Cattleya hybrids after the First Ladies of the United States. Through his books, lectures, and decades of experience, Art continues to educate and inspire orchid enthusiasts while helping preserve the rich history of these remarkable plants.
Barb Schmidt
Pennsylvania 18088
Topics: Youth Orchid Education, Beginner Orchid Care, Orchid Evolution Fun Facts
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Barb has been passionate about growing orchids since 2004 and has been sharing her knowledge with enthusiasts across the country since 2015. An engaging and experienced educator, she has taught orchid classes for renowned institutions including the New York Botanical Garden, Smithsonian Associates, Longwood Gardens, and her local community college.
Dedicated to making orchid growing approachable for everyone, Barb published her first book, Orchid Care: For the Beginner, in 2016. Designed for new growers, the book has helped countless hobbyists gain the confidence to successfully grow and enjoy orchids.
Beyond the classroom, Barb has contributed articles to the American Orchid Society's Orchids magazine, sharing practical advice and her passion for orchid culture with readers around the world. In 2021, she expanded her educational outreach by creating a children's orchid sticker book to promote conservation and inspire the next generation of orchid enthusiasts at regional conservation events.
Whether speaking to beginners or experienced growers, Barb is known for her welcoming teaching style, practical advice, and enthusiasm for helping others discover the fascinating world of orchids.
Bill Thoms
Greer, South Carolina 29650
Topics: Bulbophyllum, Growing specimens, Orchid travel, Culture and more
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Bill Thoms has been growing, exhibiting, and sharing his passion for orchids for more than 45 years in Central Florida. Internationally recognized for his expertise with Bulbophyllums, Bill has earned more American Orchid Society Cultural Awards for this fascinating genus than anyone else in the world, with an impressive 51 awards to his name. Together with Doris Dukes, they have achieved an extraordinary 105 AOS Cultural Awards spanning 30 different orchid genera.
In recognition of his outstanding contributions to the orchid community and his dedication to Bulbophyllums, the American Orchid Society established the annual Bill Thoms Award, honoring excellence within this remarkable genus.
An engaging and highly sought-after speaker, Bill has presented programs for orchid societies and conferences around the world. His presentations cover a wide variety of topics, from advanced Bulbophyllum cultivation and breeding to practical orchid culture techniques that growers of all experience levels can apply. Whether speaking to beginners or seasoned enthusiasts, Bill is known for combining decades of hands-on experience with an entertaining and informative presentation style.
Carlos Pasiche
Wilmington, Delaware 19804
Topics: Habitat-based orchid culture, Orchid growing - setup and care, Diagnosing orchid problems
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Carlos J. Pasiche discovered his passion for orchids at just 14 years old after a neighbor introduced him to their remarkable beauty and diversity. Growing up in Puerto Rico, he immersed himself in the hobby, reading everything he could about orchids, building his own collection, and searching for native species in the wild whenever he had the chance.
As college and career responsibilities took priority, Carlos entrusted his growing collection to his grandmother, keeping only a few orchids on a windowsill to maintain his connection to the hobby. Years later, during the COVID-19 pandemic, a career change gave him the opportunity to fully rediscover his passion.
Today, Carlos specializes in recreating the conditions of tropical rainforests through carefully designed indoor growing environments. By combining modern technology with a deep understanding of orchid ecology, he creates structured grow spaces that closely mimic the natural habitats of these extraordinary plants. His practical, science-based approach has inspired orchid enthusiasts looking to successfully cultivate healthy, thriving orchids indoors.
Carol Beule
Studio City, California 91604
Topics: Sarcochilus history, Lycaste history, Japan and Fuukiran Neofinetia, The American Fuukiran Society in CA
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Carol Beule is an EMMY Award-winning Costume Designer who enjoyed a distinguished career spanning more than four decades. She earned Master of Fine Arts degrees in both Costume Design and Lighting Design from the University of Wisconsin, Madison, and worked professionally as a costume designer from 1974 until her retirement in July 2017.
Outside of her accomplished career in the performing arts, Carol has cultivated a deep passion for orchids. Since purchasing her home at the base of the Hollywood Hills more than 25 years ago, she has grown a diverse collection of orchid species while exploring which varieties thrive in the unique climate of California's San Fernando Valley and surrounding regions.
Carol has developed a particular expertise in traditional Japanese Fuukiran (Neofinetia) cultivation and display. Her dedication to these elegant orchids has led her to master their distinctive growing techniques and artistic presentation, blending horticultural knowledge with an appreciation for their rich cultural heritage. Through her presentations, Carol shares practical growing advice, personal experience, and a passion for one of the orchid world's most treasured traditions.
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Carol Holdren
Boynton Beach, Florida 33435
Topics: Judging Orchids in Colombia, Ten Orchids You Should Own!, Orchid Tips & Tricks
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Carol Holdren is an accredited American Orchid Society judge and a highly respected leader within the South Florida orchid community. With decades of experience growing, evaluating, and exhibiting orchids, she has become a trusted educator for hobbyists of all skill levels.
Carol is especially known for helping home growers maximize their collections without the need for a greenhouse. Through practical techniques and proven growing methods, she teaches enthusiasts how to create healthy, thriving orchid collections using limited space and everyday growing environments.
Beyond her educational work, Carol has led orchid judging and evaluation tours throughout Central and South America, sharing her extensive knowledge while exploring some of the world's richest orchid habitats. Her combination of judging expertise, hands-on growing experience, and engaging teaching style has made her a sought-after speaker and mentor within the orchid community.
Carol Klonowski
Hayward, California 94542
Topics: Dendrobiums, Tolumnias, The History of Cattleyas, Vandas and Paphiopedilum
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Carol Klonowski's passion for orchids began in the 1980s when a friend in Berkeley, California, gifted her a single Cattleya. When it bloomed with three large, deep lavender flowers and an unforgettable fragrance, she was instantly captivated. That one orchid sparked a lifelong fascination.
Determined to provide the perfect growing environment, Carol built a greenhouse in her backyard for her treasured plant. It wasn't long before one orchid became many, and her collection quickly flourished. A gift membership to the Orchid Society of California further fueled her enthusiasm, introducing her to a vibrant community of growers and opening the door to a lifetime of learning.
As she became more involved, Carol found herself taking on leadership and administrative roles within the society. Today, she is a respected educator and frequent lecturer, sharing her decades of growing experience with orchid societies throughout the West Coast. Her engaging presentations, practical advice, and infectious enthusiasm continue to inspire both beginning and experienced orchid growers alike.
Cheryl Erins
Joliet, Illinois 60403
Topics: Orchid travel, Orchids 101, Vandaceous and more
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With more than 35 years of orchid-growing experience, this speaker has become a respected leader in orchid judging, education, and organizational leadership. A certified American Orchid Society Judge with the Chicago Judging Center, they currently serve as Treasurer while actively supporting the advancement of orchid judging and education.
Their dedication to the orchid community extends well beyond judging. As a Past President of the MidAmerican Orchid Congress, they have helped strengthen one of the nation's premier regional orchid organizations and continue to serve on its Education Committee. They are also a longtime member of the Batavia Orchid Society in Batavia, Illinois, where they have served three terms as president, helping guide the society's growth and success.
Today, they continue to play an active role within the American Orchid Society by helping produce and present its digital educational webinars. They also contribute their expertise through service on the Society's Governance, Library, and Education committees, supporting orchid education and outreach for growers across the country.
Their decades of experience, leadership, and commitment to sharing knowledge make them a highly respected educator and an engaging speaker for orchid enthusiasts of all levels.
Chris Satch
New York, New York 10044
Topics: Growing under lights, Orchid Physiology, Terrarium Orchids, How to Make Orchids Bloom, Orchid Culture, Orchid Symbiotic Fungi, Orchid History, and more!
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Christopher Satch is a Professor at the New York Botanical Garden, CEO and Founder of NYC Plant Help, and one of the nation's leading educators in plant science. Through his horticultural consulting company, he helps indoor and outdoor gardeners throughout the greater New York area successfully grow healthier, more resilient plants.
Recognized for his ability to make complex plant science easy to understand, Christopher has been featured by NPR, The Wall Street Journal, Architectural Digest, and numerous other national media outlets. His engaging teaching style breaks down the biology behind plant growth into practical, easy-to-follow concepts that anyone can apply.
Specializing in plant physiology and plant pathology, Christopher combines scientific knowledge with real-world growing experience to answer even the most challenging botanical questions. Whether discussing orchid culture, plant health, lighting, watering, or advanced growing techniques, he explains not only what works, but why it works.
Christopher's presentations are informative, engaging, and rooted in science, making him a sought-after speaker for orchid societies, botanical gardens, and plant enthusiasts of every experience level.
Daniel Geiger
Santa Barbara, California 93105
Topics: Systematics 101 for Orchid Aficionados, Oberonia Under the Microscopes, Imaging Small Orchid Flowers
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Dr. Daniel L. Geiger has been growing orchids since 2004 and has become internationally recognized for his expertise in the fascinating and often-overlooked genus Oberonia. His passion for orchid research has led to significant contributions in taxonomy, conservation, and scientific study, earning him respect throughout the global orchid community.
An active leader within the American Orchid Society, Dr. Geiger has served on the AOS Research Committee, including as its chair, and has also held leadership positions with several local orchid societies. His commitment to advancing orchid science and education has made him a valued resource for both researchers and hobbyists alike.
Dr. Geiger is an accomplished international speaker, presenting lectures on orchids throughout the United States as well as in Australia, the United Kingdom, and Singapore. His research has taken him to some of the world's most prestigious herbaria, where he has studied orchid collections across North America, Europe, Asia, and Australia, expanding scientific knowledge of orchid diversity and classification.
In addition to his research and educational work, Dr. Geiger served as guest editor for the botanical journal Rheedea. His presentations combine scientific expertise with an engaging teaching style, making complex botanical topics accessible and inspiring for orchid enthusiasts of every experience level.
Dave Sorokowsky
Valley Springs, California 95237
Topics: Everything paphiopedilum. See programs below
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Dave's journey into orchids began after an already diverse career path. After earning a degree in Biochemistry from the University of Toronto, he chose to follow his entrepreneurial spirit by operating a tropical fish import business for eight years. Later, he returned to school and earned a degree in Enology and Viticulture from Brock University in St. Catharines, Ontario, combining his interest in science with the art of winemaking.
While attending Brock University, Dave purchased his first orchids, adding them to his collection one small 2-inch pot at a time. What started as a simple hobby quickly became a passion, and by the time he graduated, his collection had grown to more than 100 orchids.
Inspired by both his love of orchids and the opportunity to grow them in an ideal climate, Dave relocated to California, where he founded Paph Paradise. Today, he is internationally recognized for breeding exceptional Paphiopedilums, or slipper orchids, producing award-winning plants celebrated for their outstanding quality, color, and form.
Through decades of growing and breeding experience, Dave has become a respected educator and speaker, sharing practical cultivation techniques and insights into the breeding of championship-quality slipper orchids with enthusiasts around the world.
Dayaneth Portilla
Apopka, Florida 32712
Topics: Ecuadorian Orchids in-situ and culture in Ecuagenera, Phragmipedium of Ecuador in-situ and culture in Ecuagenera, Ecuadorian Orchids in-situ and conservation effort
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Dayaneth Portilla is an international ambassador for Ecuagenera and a passionate advocate for Ecuador's extraordinary native orchids. Through years of field exploration and documentation, she has developed extensive experience studying and photographing orchid species in their natural cloud forest habitats.
Her presentations take audiences on a breathtaking journey into Ecuador's diverse ecosystems, featuring stunning habitat photography and firsthand observations from the wild. By revealing how orchids grow in their native environments, Dayaneth helps growers better understand the natural conditions that shape these remarkable plants.
Drawing on her field experience, Dayaneth connects habitat observations with practical cultivation techniques, demonstrating how home growers can recreate these environmental conditions in modern greenhouses and indoor growing spaces. Her engaging lectures blend conservation, exploration, and hands-on growing knowledge, making her a sought-after speaker for orchid societies and enthusiasts eager to deepen their understanding of native Ecuadorian species.
Deborah Boersma
Windsor, Ontario, Canada
Topics: Tiny Slippers, Sobralias, Stanhopea tigrina, Tolumnias, Brazil
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Deborah's passion for orchids began with a trip to Hawaii more than 30 years ago. Captivated by their beauty and diversity, what started as a small collection soon became a lifelong hobby. Her enthusiasm continued to grow, and in 2014 she built a greenhouse, allowing her mixed orchid collection to expand dramatically.
Eager to deepen her knowledge, Deborah joined the Windsor Orchid Society in 2013. Her dedication and leadership were quickly recognized, and within just six months she was elected President of the society. Since then, she has remained one of the organization's most active members, helping to promote orchid growing and strengthen the local orchid community.
In addition to her leadership, Deborah plays a key role in fundraising, publicity, and organizing society activities. She currently serves as Show Chair, where she oversees one of the society's most important annual events and helps showcase the beauty and diversity of orchids to the public.
With decades of growing experience and an enthusiasm for sharing her knowledge, Deborah is an engaging speaker who inspires both new and experienced orchid enthusiasts to grow, learn, and enjoy these extraordinary plants.
Dr. Clark Riley
Baltimore, Maryland 21239
Topics: Orchid culture. Terrestrials. Taxonomy, Cypripediums and Selenipediums, Greenhouses and more
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Clark Riley has been devoted to growing orchids since 1957, when, at just six years old, he received his very first orchid, a Yellow Lady's Slipper (Cypripedium pubescens) from a perennial nursery. Although the plant survived only long enough to bloom once, it ignited a lifelong fascination with orchids that has continued for more than six decades.
That early experience inspired Clark to dedicate much of his life to understanding and promoting the successful cultivation of Lady's Slipper orchids. His passion has grown into a remarkable collection that includes thousands of terrestrial orchids, carefully cultivated in specially engineered cold-bed growing systems designed to replicate their natural environments.
Over the years, Clark has become a respected authority on hardy terrestrial orchids, sharing his extensive knowledge with growers through lectures, demonstrations, and educational programs. His presentations combine decades of hands-on experience with practical advice, helping enthusiasts successfully grow some of the orchid world's most challenging and rewarding species.
Clark's lifelong dedication to orchid conservation, cultivation, and education has made him a highly regarded speaker and an invaluable resource for anyone interested in terrestrial orchids and Lady's Slippers.
Dr. William (Bill) Goldner
Huntingtown, Maryland 20639
Topics: Phragmipediums, Epidendrum, kovachii
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Dr. Bill Goldner is widely recognized in the orchid community as the owner of Woodstream Orchids, which he operates alongside his wife, Lynn Evans-Goldner. Together, they have earned an international reputation for producing exceptional orchids through innovative breeding and a commitment to excellence.
A lifelong outdoorsman, Bill's love of nature extends beyond orchids. An avid fly fisherman, he enjoys pursuing trout, steelhead, and salmon with Lynn and their son, Zane. Their passion for the outdoors is reflected in many of the hybrid and cultivar names registered by Woodstream Orchids, which honor the rivers, streams, and fishing destinations that have become part of their family's adventures.
Dr. Goldner is internationally celebrated for his pioneering work in developing stable commercial breeding lines of the extraordinary species Phragmipedium kovachii. His breeding program has played a significant role in making this once exceedingly rare species more widely available while advancing the quality, vigor, and diversity of modern hybrids.
Combining scientific expertise, decades of breeding experience, and a deep appreciation for the natural world, Dr. Goldner is an engaging speaker whose presentations offer valuable insights into orchid breeding, conservation, and the cultivation of some of the world's most remarkable slipper orchids.
Edward Weber
Boyertown, Pennsylvania 19512
Topics: Orchid culture part 1 and 2, The Genus Phalaenopsis
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Ed Weber's orchid journey began in 1999 when he inherited his grandmother's orchid collection. Although he did not consider himself a "plant person" at the time, his curiosity quickly took hold. As he learned more about these fascinating tropical plants, his interest grew into a lifelong passion.
What started with just a dozen orchids soon expanded to twenty, then fifty, and before long his home and garage had been transformed into a thriving tropical oasis filled with orchids from around the world.
In 2001, Ed joined the Southeastern Pennsylvania Orchid Society (SEPOS), where he continued to develop his growing skills while connecting with fellow orchid enthusiasts. Living in the Northeast also presented a unique challenge, inspiring him to become highly knowledgeable in adapting indoor growing spaces and creating successful winter environments for orchid collections.
Today, Ed shares decades of hands-on experience through engaging presentations focused on practical orchid culture, indoor growing techniques, and overcoming the challenges faced by hobbyists in colder climates. His approachable teaching style and real-world experience make him a favorite among both beginning and experienced orchid growers.
Eric Sauer
Dayton, Ohio 45459
Topics: Maxillaria--There Is More Than Just Tenuifolia, Phragmipedium Species, Expanding Your Orchid Collection, Brassia, No Arachnophobia Here
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Eric has been growing orchids for more than 30 years under the name River Valley Orchids, earning an international reputation for his expertise in South American orchid species. His collection and breeding interests focus primarily on Brassia, Maxillaria, and Phragmipedium, genera that have become the hallmark of his work.
Throughout his career, Eric has shared his knowledge with orchid enthusiasts across the United States and around the world through educational lectures and presentations. His engaging teaching style, combined with decades of hands-on experience, has made him a respected speaker among both hobbyists and advanced growers.
Eric's expertise has also been recognized in the orchid literature. He contributed culture chapters to Guido Braem's authoritative books on Paphiopedilum and Phragmipedium, providing valuable growing information for enthusiasts and collectors. His work has also been featured in Orchid Digest, including a spotlight article on Maxillaria, and many of his photographs have been published in leading orchid taxonomy and reference books.
With a passion for South American orchids and a commitment to education, Eric continues to inspire growers through his research, photography, and practical cultivation techniques, helping orchid enthusiasts successfully grow some of the most fascinating species in the orchid world.
Erica Hannickel
Ashland, Wisconsin 54806
Topics: Orchids and the Botany of Freedom, Empresses and Orchids, Orchids and Gilded Age Gotham, Botanizing North American Orchids: A Brief History, Easy DIY Orchid Cabinet
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Erica Hannickel is a nonfiction author, historian, and professor of history at Northland College in Ashland, Wisconsin. A master gardener and orchid enthusiast for more than 20 years, Erica combines her passion for plants with a love of storytelling, uncovering the fascinating people and events that have shaped orchid history.
Growing approximately 150 orchids at home on baker's carts and in a custom miniature orchid cabinet, Erica brings the perspective of a dedicated hobbyist who understands both the beauty and challenges of growing orchids in limited spaces.
Her acclaimed book, Orchid Muse: A History of Obsession in Fifteen Flowers (W.W. Norton & Company, 2022), explores the remarkable history of orchids through the lives of empresses, artists, enslaved people, botanists, and naturalists whose stories have helped shape the orchid world. Blending meticulous historical research with captivating storytelling, the book reveals the profound influence orchids have had on culture, science, and exploration.
Erica's presentations offer a unique perspective that goes beyond orchid cultivation, bringing to life the rich history, remarkable personalities, and extraordinary journeys behind some of the world's most treasured flowers. Her engaging style makes orchid history accessible and fascinating for audiences of every experience level.
Eron Borne
Alexandria, Louisiana 71340
Topics: Growing Phragmipediums in Warm Climates, Growing the Cooler Growing Orchids in Warm Climates, Orchid Viruses, Judging Paphiopedilum Section Parvisepalum
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Eron's orchid journey began in 2002 when his father gave him his very first orchid, a Cattleya. What started with a single plant growing outdoors, on windowsills, and under lights quickly developed into a lifelong passion for orchids.
Although Eron's professional career is as a pilot, he has become a highly respected orchid grower and hobby breeder with a diverse collection of nearly 1,000 orchids. His collection expanded dramatically after building a greenhouse in 2008, providing the space to pursue a wide variety of species and hybrids.
Eron is especially known for his work with Phragmipediums and blue Cattleyas, where he has developed extensive growing experience and has even created his own hybrids. His passion for breeding and cultivation continues to drive him toward new challenges and innovations.
More recently, Eron has focused on developing effective high-heat growing strategies for traditionally cool-growing cloud forest orchids. By adapting cultivation techniques to help these species thrive in warmer environments, he continues to push the boundaries of orchid culture while sharing practical solutions with growers facing similar challenges.
Whether discussing breeding, greenhouse culture, or advanced growing techniques, Eron's presentations combine scientific curiosity, real-world experience, and an enthusiasm that inspires orchid enthusiasts at every level.
Francisco Miranda
Haines City, Florida 33844
Topics: Brazilian Orchid Habitats- 1 (the Amazon), Brazilian Orchid Habitats- 2 (the interior), Brazilian Orchid Habitats- 3 (the coast)
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Francisco Miranda is an internationally recognized orchid taxonomist, author, and owner of Miranda Orchids. Since 1981, he has dedicated his career to studying the extraordinary orchid diversity of Brazil, becoming one of the world's foremost authorities on the country's native species.
For decades, Francisco has explored Brazil's interior plateaus, Atlantic coastal rainforests, and other diverse ecosystems, documenting wild orchid populations and studying the subtle variations that occur across different habitats and regions. His research has contributed significantly to the understanding, identification, and conservation of South American orchids.
An engaging international speaker, Francisco is known for his visually stunning presentations featuring extensive habitat photography gathered during his field expeditions. By connecting native geography, climate, elevation, and ecology with practical cultivation techniques, he helps growers understand how to successfully recreate these natural conditions in modern greenhouses and home growing environments.
Blending scientific expertise with decades of firsthand field experience, Francisco's presentations provide a rare opportunity to explore Brazil's incredible orchid habitats while gaining valuable insights into the successful cultivation of some of the world's most remarkable orchid species.
Fred Clarke
Vista, California 92081
Topics: Cycnoches, Mormodes, Catasetums, Cattleya, mini cattleya, Aussie Dendrobiums general culture
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Fred Clarke has spent more than 44 years developing outstanding orchid hybrids and producing select species for orchid enthusiasts around the world. His hybrids are known for their individuality, quality, and artistry, with each plant representing a unique expression of careful breeding and horticultural skill.
Fred's passion for orchids began in 1977, when he started growing orchids and built his first greenhouse. Since then, his dedication has grown into a lifelong career focused on breeding, growing, and educating others in the successful culture of orchids.
As the owner of Sunset Valley Orchids, Fred combines the knowledge of a professional grower with decades of hands-on experience in the horticultural industry. His work has helped shape modern orchid breeding while making exceptional plants available to collectors and hobbyists alike.
Fred is also deeply committed to orchid education, sharing practical growing advice and cultural techniques with enthusiasts around the world. His presentations are informative, engaging, and rooted in real-world experience, making him a respected speaker and trusted resource within the orchid community.
Graham Ramsey
Asheville, North Carolina 28804
Topics: Growing Phragmipediums, Orchid culture, Potting and repotting, Orchid mediums
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Graham Ramsey's passion for orchids began more than 20 years ago with a single white Phalaenopsis. What started as a simple introduction to orchid growing quickly became a lifelong obsession after his mother-in-law sent him home with two boxes filled with colorful Phalaenopsis, inspiring him to build a collection and deepen his knowledge of these remarkable plants.
Soon after, Graham joined the Western North Carolina Orchid Society, where his enthusiasm and leadership led him to serve as a Board Member, Vice President, President, and Annual Show Chair for 11 years. His dedication has helped strengthen one of the Southeast's most active orchid societies while inspiring countless new growers.
Today, Graham serves as Vice Chair of the American Orchid Society's Membership and Marketing Committee and is an active member of the Affiliated Societies Committee, continuing his commitment to supporting orchid societies and expanding the orchid hobby nationwide. He is also an accomplished hybridizer, having registered numerous orchid hybrids and earned dozens of American Orchid Society awards for his exceptional plants.
Known for his practical, engaging presentations, Graham specializes in Phragmipedium culture, repotting techniques, orchid media, and successful home propagation. His hands-on approach and enthusiasm for teaching make him a favorite speaker for orchid societies and growers of every experience level.
Graham Wood
Kurtistown, Hawaii 96771
Topics: Paphiopedilums, Judges Training Talks
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Graham Wood is the owner of Lehua Orchids in Hawaii, a respected commercial nursery known for producing exceptional slipper orchids and advancing the breeding of outstanding Paphiopedilum hybrids. His work has earned recognition among collectors and breeders for its focus on quality, genetics, and carefully selected breeding lines.
Drawing on years of hands-on experience, Graham has developed extensive expertise in Paphiopedilum breeding, selection, and evaluation. His breeding program emphasizes superior flower form, color, substance, and plant vigor, helping to produce award-worthy hybrids for orchid enthusiasts around the world.
Although he travels infrequently, Graham regularly shares his knowledge through highly detailed online presentations. His lectures explore advanced topics including Paphiopedilum selection, breeding strategies, judging standards, and the characteristics that distinguish exceptional plants. His presentations provide valuable insights for both experienced growers and those interested in understanding the finer points of slipper orchid evaluation.
With a combination of commercial breeding experience and technical expertise, Graham is a respected educator whose presentations offer a deeper understanding of one of the orchid world's most admired genera.
Harry Gallis
Durham, North Carolina 27712
Topics: Antelope Dendrobiums, Latouria Dendrobiums, culture
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Harry Gallis has enjoyed a distinguished career in medicine while maintaining a lifelong passion for orchids. A native of Athens, Georgia, he is a graduate of Princeton University and Duke University School of Medicine. Throughout his medical career, Harry served at both Duke University and Carolinas HealthCare System in Charlotte. Following his retirement in 2008, he continued his professional work as a medical consultant, conducting disability determinations for the Social Security Administration and overseeing continuing medical education for the North Carolina Medical Society.
Harry's orchid journey began more than 40 years ago when an acquaintance left several Cattleya plants on his porch. That unexpected gift sparked a fascination that quickly grew into a lifelong passion. Soon after, he joined the Triangle Orchid Society, where his interest expanded well beyond Cattleyas into the diverse and fascinating Dendrobium alliance.
Today, Harry is widely respected for his extensive knowledge of Dendrobiums and other orchid groups. His presentations combine decades of hands-on growing experience with an educator's ability to explain complex topics in a clear and engaging way. Whether discussing species, hybrids, or cultivation techniques, Harry's enthusiasm and practical approach make him a favorite speaker among orchid societies and growers of all experience levels.
Harvey Brenneise
Oak Harbor, Washington 98284
Topics: Orchid history, Inorganic media, Orchid sourcing, Root ecosystem
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Harvey has been growing orchids for more than 60 years, a passion that began at just 10 years old when a family friend gave him an overgrown Cattleya trianae. Growing up in what would later become California's Silicon Valley, that first orchid found a home in a small greenhouse and sparked a lifelong fascination with these remarkable plants.
Over the decades, Harvey has cultivated an extraordinary variety of orchid genera while living in California, Michigan, North Carolina, Nebraska, Mississippi, and now the coastal region of Washington. Each move presented new growing challenges and opportunities, allowing him to refine his techniques across a wide range of climates and greenhouse environments.
An accomplished grower, Harvey has earned numerous American Orchid Society awards and has been an active member of both local orchid societies and the American Orchid Society throughout his orchid journey. His decades of experience have made him a respected educator and mentor within the orchid community.
In addition to his passion for orchids, Harvey is an accomplished historian whose analytical approach has influenced his growing methods. He is particularly known for his work in optimizing root aeration and developing cultivation techniques that promote healthier root systems and stronger, more vigorous plants. His presentations combine decades of practical experience with thoughtful experimentation, offering valuable insights for orchid growers of every skill level.
Helen Hersh
North Plainfield, New Jersey 07060
Topics: Advanced Windowsill Growing, Bulbophyllums, Slipper Orchids
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Helen Hersh is a longtime orchid grower and educator who formerly operated Mount Prospect Orchids. Throughout her years of growing and teaching, she has helped countless hobbyists build confidence in cultivating orchids successfully within the home environment.
Helen is especially known for helping indoor growers take the next step beyond basic windowsill culture. Her presentations focus on creating thriving growing environments using artificial lighting, high-humidity systems, and compact growing spaces, demonstrating that exceptional orchids can be grown without the need for a traditional greenhouse.
Drawing on years of practical experience, Helen shares proven techniques for designing efficient indoor growing areas, improving plant health, and adapting culture methods to fit a variety of home conditions. Her approachable teaching style makes advanced growing concepts easy to understand and apply.
Whether you're just beginning your orchid journey or looking to elevate your indoor growing setup, Helen's presentations offer practical solutions and valuable insights that help hobbyists achieve greater success with their orchid collections.
Helen Hull-Sanders
Richmond, Virginia 23222
Topics: Orchid pest control, Orchids of Belize and Guatemala
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Helen has built a distinguished career in public service while combining her scientific expertise with a passion for orchid education. After pursuing an academic path, she chose to transition into government service, where she has dedicated her career to protecting agriculture, public health, and the environment.
Early in her career, Helen spent two years in China before returning to the United States to help combat the invasive Asian Longhorned Beetle. She later joined the U.S. Environmental Protection Agency (EPA), and during the COVID-19 pandemic accepted a position with the U.S. Department of Agriculture (USDA), where she continues to safeguard American agriculture while helping protect human health and the environment.
Helen's academic background includes degrees in Zoology, Biology, Statistics, and Entomology, providing her with a unique scientific perspective on orchid cultivation. She applies this knowledge to one of the most challenging aspects of orchid growing, identifying, preventing, treating, and managing greenhouse pests.
Known for her engaging, science-based presentations, Helen breaks down complex entomological concepts into practical strategies that growers can immediately apply. Whether discussing pest identification, integrated pest management, or prevention techniques, she equips orchid enthusiasts with the knowledge needed to maintain healthier, more resilient collections.
Jean Stefanik
Manchester, New Hampshire 03104
Topics: Judging, Travel, New Zealand Orchids and more
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Jean Stefanik is an accredited American Orchid Society Judge and a longtime advocate for orchid education and conservation. Based in New England, she has dedicated years to studying orchids both in cultivation and in their natural habitats, sharing her knowledge with orchid societies and enthusiasts throughout the country.
Jean is especially known for her engaging travel presentations, which showcase terrestrial orchids and native species from Oceania and other remarkable orchid-rich regions of the world. Through stunning photography and firsthand observations, she takes audiences into these unique environments while highlighting the importance of habitat preservation and conservation.
Drawing on her extensive judging experience, Jean also offers valuable insights into orchid exhibition standards and the history of judging, helping growers better understand how exceptional orchids are evaluated and recognized. Her ability to combine botanical knowledge, conservation awareness, and judging expertise provides audiences with a well-rounded perspective on the orchid hobby.
Whether presenting breathtaking travel adventures, discussing orchid conservation, or explaining exhibition judging, Jean's informative and engaging programs inspire growers to appreciate both the beauty of orchids and the importance of preserving them for future generations.
Jeremy Losaw
Charlotte, North Carolina 28269
Topics: Orchid photography, hybridizing, orchid rehabilitation, vanilla
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Jeremy Losaw has been growing orchids for nearly 20 years, beginning with a previously bloomed Phalaenopsis he rescued from the Lowe's bargain bin and successfully rebloomed on his windowsill. That small success sparked a lasting passion that has grown into a serious and highly active orchid hobby.
Today, Jeremy grows in a 13-by-20-foot greenhouse equipped with internet-connected automation, where he maintains a large and diverse orchid collection. He is also an amateur hybridizer and has created more than 100 orchid crosses, exploring new possibilities in breeding and plant development.
Jeremy's growing skill has earned him two American Orchid Society Cultural Awards and two AOS Quality Awards. In addition to growing and hybridizing, he serves as a photographer for the Carolinas Judging Center, where his work helps document awarded plants and important judging events.
His photography has been featured in Orchids magazine and Orchid Digest, further highlighting his ability to capture the beauty and detail of exceptional orchids. With hands-on growing experience, hybridizing knowledge, greenhouse automation expertise, and award-winning photography, Jeremy offers an engaging and modern perspective on orchid growing.
Jim Davison
Homestead, Florida 33033
Topics: Dendrobium, Catasetinae, landscape, cattleya and more
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Jim and Melana Davison are the owners of Jim-N-I Orchids, a respected orchid nursery dedicated to providing exceptional plants for everyone from first-time growers to advanced collectors. Their nursery offers a diverse selection of orchids, including Cattleya, Dendrobium, Phalaenopsis, Bulbophyllum, and Catasetum, with an emphasis on both outstanding species and modern hybrids.
Whether helping beginners choose easy-to-grow orchids or supplying experienced collectors with rare and unusual plants, Jim and Melana are committed to matching growers with orchids that suit their interests and skill level. Their extensive knowledge and passion for orchid culture have made Jim-N-I Orchids a trusted source for quality plants and expert advice.
Both Jim and Melana are accredited American Orchid Society Judges and have earned numerous AOS Cultural Awards for their excellence in orchid growing. Their years of experience have provided them with a deep understanding of cultivation, judging standards, and what it takes to consistently produce award-winning plants.
In addition to their growing expertise, Jim and Melana are recognized for their innovative approach to greenhouse environmental engineering. Their presentations combine practical growing techniques with advanced greenhouse management strategies, helping orchid enthusiasts create healthier growing environments and achieve greater success with their collections.
Jim France
Dayton, Ohio 45415
Topics: Growing Under Lights, Phragmipediums, Lycastes, Sudamerlycastes, Idas…Oh my!
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Jim France is a dedicated orchid grower whose passion lies in successfully cultivating some of the most challenging and rewarding orchids in the hobby. With years of hands-on experience, he has developed specialized techniques for growing orchids indoors, proving that exceptional plants can thrive without the need for a traditional greenhouse.
Jim is especially recognized for his expertise with Andean slipper orchids and large-flowered Lycaste species. Through careful experimentation, he has refined temperature management strategies that allow these cool-growing orchids to flourish under standard grow lights and indoor shelving systems, making them more accessible to home growers.
His presentations focus on practical indoor growing methods, including environmental control, temperature management, lighting, humidity, and seasonal care. By explaining the unique requirements of these remarkable orchids, Jim helps growers recreate ideal conditions within limited indoor spaces.
Known for his practical approach and willingness to share real-world experience, Jim's programs provide valuable insights for hobbyists looking to expand beyond traditional windowsill culture and successfully grow challenging orchid species in the home.
Joe Lankton
Illinois
Topics: Paphs & Phrags, Miniature Orchids, Miniature Cattleyas
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Joe Lankton is an active regional orchid judge and a knowledgeable slipper orchid specialist. With a strong focus on practical home growing, Joe helps hobbyists understand how to build successful orchid collections even when space is limited.
His presentations center on smart space management, clean and effective root media choices, and proven techniques for growing compact and micro-miniature orchid species in residential settings. By focusing on efficient setups and healthy root systems, Joe gives growers practical tools they can apply in apartments, homes, and small indoor growing areas.
Joe is especially valued for his ability to make specialized orchid culture approachable. Whether discussing slipper orchids, miniature species, or indoor growing strategies, his programs offer clear guidance for growers who want to expand their collections without needing a greenhouse.
Through his judging experience and hands-on cultivation knowledge, Joe brings a thoughtful, detail-oriented perspective to orchid education, helping hobbyists grow healthier plants and make the most of every inch of available space.
Kathy Creger
Minneapolis, Minnesota 55416
Topics: Not So Scary Draculas, Growing Under Lights & Windowsills
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Kathy Creger is a dedicated orchid grower who has developed innovative techniques for successfully growing some of the orchid world's most challenging cool-growing species in a typical home environment. Through years of experience and careful experimentation, she has demonstrated that orchids often thought to require specialized greenhouses can thrive indoors with the right approach.
Kathy is especially known for her success with Dracula and Masdevallia orchids, mastering the delicate balance of humidity, temperature, airflow, and light needed to cultivate these spectacular cloud forest species on an upper Midwest windowsill. Her practical methods have helped make these extraordinary orchids more accessible to hobbyists growing at home.
Her presentations focus on indoor culture techniques, environmental management, and creative solutions for maintaining healthy, high-humidity growing conditions without expensive greenhouse equipment. Kathy shares practical advice that enables growers to recreate the unique conditions these orchids require using everyday home setups.
With an emphasis on realistic, proven growing methods, Kathy inspires orchid enthusiasts to expand their collections and confidently grow species they may have once considered too difficult for a home environment.
Keith and Dina Emig
Winter Haven, Florida 33884
Topics: Growing Orchids from Seed, Cattleya Alliance Basics, Paphiopedilum Culture & Repotting
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Keith and Dina Emig are the owners and operators of Winter Haven Orchid Nursery, where they have built a reputation for producing healthy, high-quality orchids through expert propagation and cultivation. Their nursery serves both hobbyists and serious collectors by offering a wide variety of orchids backed by decades of practical growing experience.
Specializing in orchid propagation, Keith and Dina are passionate about sharing the science and techniques behind successfully raising orchids from seed to mature plants. Their presentations provide clear, step-by-step instruction on sterile flasking methods, seed pod development and harvesting, deflasking, and transitioning young seedlings into community pots and individual containers.
Drawing on years of commercial nursery experience, they simplify complex propagation techniques into practical lessons that growers of all experience levels can understand and apply. Their programs emphasize cleanliness, proper timing, and proven methods that improve success rates throughout the propagation process.
Whether introducing hobbyists to orchid propagation or helping experienced growers refine their techniques, Keith and Dina's engaging presentations provide valuable knowledge for anyone interested in growing orchids from the very beginning of their life cycle.
Kim Feddersen
North Plainfield, New Jersey 07062
Topics: Cattleya, Cymbidiums, Slippers, Taxonomy and much more
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Kim Feddersen is a third-generation orchid grower whose lifelong connection to orchids began in his family's nursery. Working alongside his father throughout high school, college, and beyond, Kim developed a strong foundation in orchid cultivation before relocating to the United States in 1977.
After stepping away from the hobby for nearly 20 years, Kim rediscovered his passion for orchids in 1994. His collection steadily expanded, and by 2010 he began laying the groundwork for what would become Fair Orchids. Since becoming self-employed in 2017, he has been an active exhibitor and vendor at orchid shows throughout the Northeastern United States, sharing exceptional plants and his extensive growing knowledge with fellow enthusiasts.
Kim's primary passion is Vanda orchids, where he has developed considerable expertise in growing, selecting, and exhibiting these spectacular plants. Through Fair Orchids, he also offers a diverse selection of orchids for collectors while helping growers achieve success with practical, proven cultivation techniques.
With decades of experience spanning both commercial and hobby growing, Kim's presentations combine family tradition, hands-on knowledge, and real-world experience. His engaging programs provide valuable insights into orchid culture, Vandas, and the practices that lead to healthy, thriving collections.
Larry Zettler
Jacksonville, Illinois 62650
Topics: Orchid Conservation in North America, Global Orchid Conservation (especially Madagascar, Cuba, Hawaii, Ecuador), Mycorrhizal Fungi Symbiotic Germination
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Dr. Larry Zettler is a leading orchid conservation scientist and the director of the Orchid Recovery Program at Illinois College. Throughout his career, he has dedicated his research to the preservation and restoration of endangered orchid species, becoming internationally recognized for his work in orchid conservation biology.
His research focuses on the complex relationship between orchids and the beneficial mycorrhizal fungi that are essential for seed germination and long-term survival. By isolating, identifying, and cultivating these naturally occurring fungi under sterile laboratory conditions, Dr. Zettler has helped develop propagation techniques that support the recovery and reintroduction of rare and threatened terrestrial orchids around the world.
An accomplished researcher, educator, and speaker, Dr. Zettler regularly shares his work with orchid societies, botanical institutions, and conservation organizations. His presentations provide fascinating insights into orchid ecology, conservation science, laboratory propagation, and the critical role fungi play in the orchid life cycle.
Blending cutting-edge scientific research with a passion for conservation, Dr. Zettler's programs offer audiences a unique look at the efforts being made to protect some of the world's most endangered orchids and preserve them for future generations.
Manuel (Manny) Aybar
Dallas, Texas 75229
Topics: Orchids of Dominican Republic, Orchids of Peru, greenhouse growing, Tolumnia
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Manuel Aybar has been growing orchids for more than 26 years, transforming a lifelong interest into a passion for cultivating and exhibiting exceptional plants. Originally from the Dominican Republic, a country he proudly describes as a grower's paradise, Manuel developed a deep appreciation for orchids and their incredible diversity from an early age.
His orchid journey began with Dendrobiums, a genus that remains his primary area of expertise today, particularly the beautiful and rewarding phalaenopsis-type Dendrobiums. Over the years, he has built extensive experience growing, exhibiting, and sharing his knowledge of these remarkable orchids with fellow enthusiasts.
An active member of the American Orchid Society since 1997 and the Greater North Texas Orchid Society since 2000, Manuel has been deeply involved in supporting the orchid community through education, judging, and mentorship. He is an Accredited Judge in the American Orchid Society Judging Program and currently serves as a Judging Chair, helping evaluate and recognize outstanding orchids while maintaining the high standards of the AOS judging system.
Known for his practical growing expertise and engaging presentations, Manuel shares valuable insights into Dendrobium culture, orchid judging, and successful cultivation techniques. His combination of decades of growing experience, leadership, and enthusiasm makes him a respected speaker for orchid societies and growers of all experience levels.
Marc Burchette
Asheville, North Carolina 28806
Topics: Orchid Culture Basics, Intermediate Greenhouse Setup
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Marc Burchette is a dedicated orchid grower, educator, and active leader within the Blue Ridge orchid community. Through years of involvement with regional orchid societies, he has helped support growers by sharing practical knowledge and promoting successful orchid culture.
Marc is especially known for his expertise in greenhouse design and environmental management. His presentations focus on converting growing spaces into efficient orchid environments while helping hobbyists understand the key factors that influence plant health, including temperature, humidity, air circulation, lighting, and environmental monitoring.
Drawing on real-world experience, Marc demonstrates how thoughtful greenhouse planning and modern monitoring systems can improve growing conditions, simplify plant care, and lead to healthier, more vigorous orchids. His practical approach makes advanced greenhouse concepts accessible to growers at every experience level.
Whether discussing greenhouse construction, environmental control, or day-to-day orchid culture, Marc's informative and engaging programs provide valuable tools that help hobbyists create thriving growing spaces and achieve long-term success with their collections.
Marc Hachadourian
New Jersey
Topics: Australian Terrestrials/Orchids of Western Australia, Orchid Pollination Biology, Pleurothallidinae
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Marc Hachadourian is the Director of Glasshouse Horticulture and Senior Curator of Orchids at the New York Botanical Garden, where he oversees one of the nation's most significant living orchid collections. Widely respected as an educator, curator, and horticulturist, Marc has dedicated his career to the cultivation, conservation, and study of orchids from around the world.
In his role at the New York Botanical Garden, Marc manages extensive glasshouse collections featuring thousands of orchid species and other tropical plants. His work combines botanical research, conservation, public education, and horticultural excellence, helping preserve rare plants while inspiring new generations of orchid enthusiasts.
An internationally recognized speaker, Marc is known for his engaging presentations that blend scientific knowledge with practical growing experience. His lectures explore orchid diversity, evolution, ecology, and adaptation, while also providing valuable insights into cultivation, conservation, and the remarkable relationships between orchids and their natural environments.
Whether speaking about species orchids, botanical collections, greenhouse management, or the evolutionary history of the orchid family, Marc's presentations are both informative and inspiring. His ability to connect advanced botanical concepts with practical growing techniques has made him one of the most sought-after speakers in the orchid community.
Mark Margolis
Florida
Topics: Catasetum, Central and South America
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Mark Margolis is a retired middle and junior high school science teacher who spent more than 30 years inspiring students in the classroom. During his career, he taught a wide range of subjects, including general science, honors physical science, honors biology, and honors earth and space science for grades six through nine. Beyond the classroom, he also coached basketball, football, softball, wrestling, and physical education, bringing the same enthusiasm for teaching to both academics and athletics.
Mark's introduction to orchids came through fellow science teacher Phyllis Lerner, whose passion for orchids sparked his own lifelong fascination with these extraordinary plants. That introduction led him to explore the diverse world of orchids, eventually developing a particular interest in the fascinating Catasetinae alliance.
Known for combining a teacher's ability to explain complex concepts with decades of growing experience, Mark enjoys sharing practical knowledge about orchid culture, with a special emphasis on the unique growth cycles, watering strategies, and seasonal moisture requirements of Catasetinae orchids. His presentations make challenging topics approachable while helping growers better understand the biology behind successful cultivation.
Whether speaking about orchid culture or the science that drives plant growth, Mark brings an engaging, educational style that reflects a lifetime dedicated to teaching and inspiring others.
Martin Motes
Homestead, Florida 33031
Topics: Vanda, Vanda breeding, Vanda culture, Renanthera, Paraphalaenopsis
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Dr. Martin R. Motes is an internationally respected orchid researcher, author, and Research Associate at Fairchild Tropical Botanic Garden. Throughout his distinguished career, he has become one of the world's foremost authorities on Vanda orchids, combining decades of scientific research with extensive hands-on growing experience.
Martin's fascination with Vandas began in the late 1950s, when, as a young orchid enthusiast in Miami, he collected many of the exciting new hybrids arriving from Hawaii and Singapore. Growing these plants in a backyard shade house sparked a lifelong passion that would shape his career.
While still in high school, Martin began importing Vanda species from India, Indonesia, the Philippines, and Thailand, carefully selecting superior flower forms for breeding and cultivation. His pioneering work with species selection and hybridization has significantly advanced the development of modern Vandas, contributing to improved flower quality, vigor, and adaptability for growers around the world.
An accomplished author, researcher, and educator, Dr. Motes has shared his expertise through books, scientific publications, and presentations to orchid societies worldwide. His lectures combine decades of research with practical cultivation advice, offering valuable insights into Vanda culture, breeding, species diversity, and the remarkable biology of one of the orchid world's most spectacular genera.
Mary Gerritsen
San Mateo, California 94402
Topics: conservation, world travel, miniature and much more
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Mary has had a lifelong passion for plants and has been growing orchids for more than 40 years. Throughout a career as a biomedical scientist that included several cross-country moves, she continued to cultivate orchids whenever possible, maintaining her enthusiasm despite the challenges of relocating.
Her passion was reignited after moving to the San Francisco Bay Area in 1997, where a visit to a local orchid show rekindled her fascination with these extraordinary plants. Returning home with a few orchids, Mary joined a local orchid society to expand her growing knowledge. What began as a desire to improve her cultivation skills soon developed into a deep and lasting commitment to the orchid community.
Over the years, Mary's interests have evolved beyond cultivation to include the study and documentation of orchids in their natural habitats. She has developed a particular passion for photographing and documenting micro-species in situ, capturing these remarkable orchids where they naturally occur while promoting a greater appreciation for their diversity and conservation.
Combining a scientist's attention to detail with decades of growing experience, Mary delivers engaging presentations that blend orchid culture, field exploration, and the beauty of orchids in the wild, inspiring audiences to better understand and appreciate these extraordinary plants.
Mary Jo Gilsdorf
Aston, Pennsylvania 19342
Topics: Cattleya Horace and Its Progeny; From One to Many, Orquideos Locos: Orchid Hunting in Costa Rica, Dendrocoryne Dendrobiums: Australian Fireworks
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Mary Jo Gilsdorf is an accredited American Orchid Society Judge with a lifelong passion for orchid education, cultivation, and judging. Through years of experience evaluating award-quality orchids, she has developed extensive knowledge of orchid breeding, genetics, and the characteristics that define exceptional plants.
Mary Jo has a particular interest in the rich history of Cattleya breeding, exploring the influential parent plants that have shaped many of today's outstanding hybrids. Her presentations help growers understand how important breeding lines have contributed to flower form, color, fragrance, and overall plant quality, offering valuable insight into the development of modern Cattleyas.
She also enjoys sharing her experience growing Australian Dendrobiums, with practical guidance on successfully cultivating these beautiful and resilient orchids in home collections. Drawing from years of hands-on growing, she provides helpful advice on culture, seasonal care, and selecting varieties well suited to a wide range of growing conditions.
Combining judging expertise with a passion for orchid history and cultivation, Mary Jo delivers informative and engaging presentations that help both new and experienced growers better understand the orchids they grow and admire.
Maurice Garvey
Jackson Heights, New York 11372
Topics: Growing in an Orchidarium, Myths and Secrets of Orchid Photography
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Maurice Garvey has been growing orchids since 1979 and has become a respected educator, lecturer, and longtime member of the orchid community. Over the years, he has presented programs for orchid societies throughout the United States and Canada, sharing decades of practical experience with growers of all skill levels.
Maurice joined the Manhattan Orchid Society in 1980 and remains an active member of several organizations, including the North Jersey Orchid Society and the Ramapo Orchid Society. His commitment to orchid education and the hobby has made him a familiar and valued speaker throughout the Northeast.
His orchid journey began with growing Phalaenopsis on windowsills before expanding to Paphiopedilums under fluorescent lights on baker's racks. As his collection and experience grew, Maurice embraced orchidariums, and for more than 27 years he has specialized in cultivating orchids within carefully controlled glass enclosures that recreate ideal growing conditions for a wide variety of species.
Known for his practical, experience-based presentations, Maurice shares proven techniques for indoor orchid culture, orchidariums, environmental control, and growing orchids successfully in limited spaces. His decades of hands-on knowledge and approachable teaching style make his programs valuable for both beginning hobbyists and experienced growers alike.
Melana Davison
Homestead, Florida 33033
Topics: Dendrobium, Catasetinae, landscape, cattleya and more
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Jim and Melana Davison are the owners and operators of Jim-N-I Orchids, a respected orchid nursery dedicated to providing exceptional plants for everyone from first-time growers to advanced collectors. Their nursery offers an impressive selection of orchids, including Cattleya, Dendrobium, Phalaenopsis, Bulbophyllum, and Catasetum, featuring both easy-to-grow favorites and rare, collectible species and modern hybrids.
Committed to helping growers succeed at every level, Jim and Melana carefully select plants that meet the needs of beginners while also offering unique and award-worthy orchids for experienced enthusiasts. Their passion for quality plants and customer education has made Jim-N-I Orchids a trusted name within the orchid community.
Both Jim and Melana are accredited American Orchid Society Judges and have earned numerous AOS Cultural Awards in recognition of their exceptional growing skills. Their years of experience in cultivation, exhibiting, and judging provide audiences with valuable insights into what makes orchids thrive and what distinguishes award-quality plants.
As engaging speakers, Jim and Melana share practical knowledge on orchid culture, greenhouse growing, judging, and plant selection. Their presentations combine decades of hands-on experience with a passion for education, making them popular speakers for orchid societies and growers of all experience levels.
Nile Dusdieker
Iowa City, Iowa 52317
Topics: Wow Phals, Orchids Over the Andes, The World of Orchids
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Nile Dusdieker is a dedicated orchid grower, educator, and active member of the Midwestern orchid community. Through years of involvement with regional orchid societies, Nile has shared his passion for orchid culture while helping growers develop the skills needed to cultivate healthy, award-worthy plants.
Nile is especially known for his expertise in growing large specimen Phalaenopsis, offering practical guidance on producing vigorous plants with exceptional displays of flowers. His presentations cover everything from long-term plant care and culture techniques to creating the ideal conditions for growing impressive specimen orchids.
An enthusiastic traveler and photographer, Nile also enjoys sharing the beauty of orchids in their natural habitats. His travel presentations feature breathtaking photography from South America's high-altitude orchid regions, providing audiences with a unique opportunity to explore the environments where many remarkable species thrive.
Combining hands-on growing experience with engaging storytelling and stunning photography, Nile's programs inspire orchid enthusiasts to appreciate both the beauty of cultivated orchids and the incredible habitats from which many of these extraordinary plants originate.
Nina Rach
Houston, Texas 77055
Topics: Stanhopeas & Allied Genera, All About Sobralias!, Orchids in Brazil’s Mata Atlantica Forests
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Nina Rach is an accredited American Orchid Society Judge with a passion for orchid education, conservation, and the remarkable diversity of the genus Stanhopea. Through years of growing, judging, and research, she has become a respected resource for orchid enthusiasts interested in these extraordinary and fragrant orchids.
Nina is especially recognized for her work documenting and studying Stanhopea species, helping growers better understand their identification, diversity, and cultivation. Her presentations explore the unique characteristics that make this fascinating genus one of the orchid world's most distinctive.
Drawing on extensive growing experience, Nina shares practical techniques for cultivating Stanhopeas, including basket culture, root management, watering practices, and encouraging the spectacular pendant flower spikes for which the genus is famous. She also incorporates habitat photography and field observations to illustrate how these orchids grow in nature and how those conditions can be successfully recreated in cultivation.
Combining judging expertise with a passion for education and conservation, Nina delivers informative and engaging presentations that help growers better understand, appreciate, and successfully cultivate one of the orchid family's most remarkable genera.
Norman Fang
Montclair, California 91763
Topics: Development of Harlequin Phalaenopsis, New Color Forms of Phalaenopsis Species, Peloric Orchids
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Norman Fang is an internationally recognized orchid hybridizer and the owner of Norman's Orchids, a world-renowned nursery specializing in exceptional Phalaenopsis breeding. For decades, he has been at the forefront of developing innovative hybrids that have influenced modern Phalaenopsis breeding programs around the globe.
Known for his dedication to improving flower quality, color, form, and plant performance, Norman has introduced countless outstanding hybrids that are prized by collectors, commercial growers, and exhibitors alike. His breeding work continues to shape the direction of modern Phalaenopsis development.
An engaging international speaker, Norman shares his extensive knowledge of orchid genetics, hybridization, and breeding selection. His presentations explore advanced topics such as peloric mutations, novel color development, breeding strategies, and the genetic principles behind creating exceptional new hybrids, while presenting these concepts in a way that is both informative and accessible.
Combining decades of commercial breeding experience with a passion for innovation, Norman's programs offer audiences a unique opportunity to learn from one of the orchid industry's most respected hybridizers and gain a deeper appreciation for the science and artistry behind modern Phalaenopsis breeding.
Peter T Lin
Diamond Bar, California 91765
Topics: Mini Catts-Delightful Cattleyas in Miniature, Genus Dendrobium, 3 A's of the Orchid World: Angraecum, Aerangis, Aeranthes
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Peter T. Lin is an accredited American Orchid Society Judge, accomplished orchid grower, and the owner of Diamond Orchids. Widely respected for his expertise with miniature and species orchids, Peter has become a popular speaker known for making even the most specialized orchid topics approachable and enjoyable.
His passion centers on compact-growing orchids and the remarkable diversity of miniature species from around the world. Through years of cultivation and judging experience, Peter has developed practical techniques for growing these orchids successfully in limited spaces while maintaining healthy, vigorous plants.
Peter is especially known for his expertise with mounted orchids and the fascinating Angraecoid orchids of Madagascar. His presentations cover mounting techniques, selecting appropriate growing conditions, managing compact collections, and understanding the unique cultural requirements of these beautiful species. He combines habitat knowledge with practical cultivation advice that home growers can confidently apply.
As both an educator and AOS judge, Peter shares valuable insights into species identification, orchid judging, and successful cultivation practices. His engaging presentations, supported by stunning photography and years of hands-on experience, inspire growers of every skill level to discover the beauty and diversity of miniature orchids.
Prem Subrahmanyam
Altamonte Springs, Florida 32714
Topics: Florida's Endangered Orchids, How to Photograph Your Orchid
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Prem Subrahmanyam is a respected field naturalist, botanical photographer, and orchid educator with a passion for documenting orchids in their native habitats. Through years of field exploration, he has dedicated himself to locating, photographing, and preserving the beauty of native orchid species, creating an invaluable visual record of some of North America's most remarkable wild orchids.
Prem is especially recognized for his work with the native orchids of North America, including many of Florida's rare and endangered species. His extensive field photography captures orchids in their natural environments, highlighting not only their beauty but also the ecosystems that support them and the importance of protecting these fragile habitats.
An engaging speaker, Prem combines breathtaking photography with fascinating stories from the field, offering audiences a firsthand look at orchids growing in the wild. His presentations explore orchid identification, natural history, conservation, and the challenges facing native orchid populations, inspiring a deeper appreciation for these extraordinary plants.
Through his dedication to botanical photography and conservation, Prem continues to educate and inspire orchid enthusiasts while helping preserve the visual legacy of North America's native orchids for future generations.
Rob Griesbach
Mount Airy, Maryland 20142
Topics: Orchid Genetics, Orchid Biology, Orchid History
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Dr. Rob Griesbach is a distinguished plant geneticist whose career has combined scientific research, public service, and a lifelong interest in ornamental plants. He earned his Ph.D. in Genetics from Michigan State University in 1980 and joined the U.S. Department of Agriculture's Agricultural Research Service (USDA-ARS) the following year, where he served for nearly four decades before retiring in 2020.
During the first 25 years of his career, Dr. Griesbach conducted an extensive research program in ornamental plant genetics, investigating the genetic mechanisms responsible for flower color, plant development, and breeding. His pioneering work on anthocyanin pigments significantly advanced the understanding of how flower colors are inherited and expressed in ornamental plants, including orchids.
For the final 15 years of his USDA career, Dr. Griesbach served as the Deputy Assistant Administrator for Technology Transfer, providing leadership in the management and commercialization of the USDA-ARS intellectual property portfolio and helping bring scientific innovations from the laboratory to practical application.
An accomplished author and researcher, Dr. Griesbach has published more than 150 scientific papers and is widely respected for his ability to explain complex genetic concepts in an engaging and understandable way. His presentations offer fascinating insights into orchid genetics, flower color, plant breeding, and the science that has shaped many of today's remarkable orchid hybrids.
Ron Kaufmann
San Diego, California 92117
Topics: General culture, Orchid travel, Brazil, Colombia, conservation
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Ron Kaufmann is a longtime orchid grower, conservation advocate, and internationally respected speaker dedicated to protecting orchids in their natural habitats. He serves as Chair of the American Orchid Society Conservation Committee and is a founding director of the Orchid Conservation Alliance, where he has helped lead efforts to preserve endangered orchid ecosystems around the world.
For more than 25 years, Ron has cultivated orchids while traveling extensively throughout Asia and South America to study them in the wild. His fieldwork has taken him to some of the world's richest orchid habitats, including Brazil, Ecuador, and Colombia, where he has documented native species and gained a firsthand understanding of the ecological challenges facing these remarkable plants.
Professionally trained as a marine biologist, Ron's scientific career has included research on Antarctic ecosystems, deep-sea environments, and coastal marine communities in Southern California. His background as a field scientist brings a unique ecological perspective to orchid conservation, allowing him to connect habitat science with practical conservation strategies.
Ron's presentations combine breathtaking habitat photography, fascinating travel experiences, and a strong foundation in ecology to explore orchid conservation, biodiversity, and the importance of protecting natural ecosystems. His engaging programs inspire audiences to appreciate not only the beauty of orchids but also the vital role conservation plays in ensuring their survival for future generations.
Ron McHatton
Florida
Topics: Orchid Pollination, Orchids of Madagascar, Pest and Disease Management
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Ron is the Chief Education and Science Officer for the American Orchid Society and has been growing orchids for more than 60 years. His lifelong passion began at the age of eight in Northern California when he purchased his first orchid, a Cattleya, from a local grower. That single plant quickly grew into a collection that filled every east- and south-facing window in his home, launching a fascination with orchids that has never faded.
Over the decades, Ron's private collection has expanded to more than 2,500 plants, reflecting a lifetime devoted to growing, studying, and sharing orchids. His extensive experience spans a wide range of genera, making him one of the orchid community's most respected educators and mentors.
Before joining the American Orchid Society, Ron built a successful career in chemistry, a background that has given him a unique scientific perspective on orchid culture. He is especially known for translating complex chemical and biological concepts into practical guidance on greenhouse management, pest control, and plant health, helping growers make informed decisions while maintaining safe and effective growing practices.
As an engaging speaker and educator, Ron combines decades of hands-on growing experience with a strong scientific foundation. His presentations are informative, practical, and accessible, offering valuable insights into orchid culture, greenhouse management, and the science behind growing healthier, more successful orchid collections.
Ron Parsons
South San Francisco, California 94080
Topics: Western Australia, China, Ecuador, Philippines, Dendrobium, Stanhopeas and much more.
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Ron Parsons has been growing orchids for nearly 50 years and has developed an international reputation as one of the orchid world's foremost botanical photographers and species experts. His lifelong passion for orchids, particularly species, has taken him across the globe in search of remarkable plants and the habitats they call home.
An accomplished photographer, Ron has built an extraordinary archive of more than 100,000 digital images, the vast majority featuring orchids and other botanical subjects. He also maintains a historic slide collection containing more than 100,000 botanical photographs, preserving decades of orchid exploration and documentation. His work has been widely published, with nearly 6,500 photographs appearing in books, magazines, journals, and other botanical publications.
A highly sought-after speaker, Ron has delivered more than 500 presentations on orchids and other botanical subjects. His engaging programs combine breathtaking photography, fascinating travel experiences, and extensive knowledge of orchid species, allowing audiences to experience many of the world's most spectacular orchid habitats through his lens.
In addition to his photography and lectures, Ron has co-authored four authoritative books on orchid species, helping document their history, distribution, and natural diversity. His dedication to education, exploration, and botanical documentation has made him one of the most respected voices in the orchid community.
Steve Arthur
Graniteville, South Carolina 29829
Topics: Orchid travel, Virus and control, Potting with Cypress
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Steve Arthur is a longtime commercial orchid grower and the owner of a respected orchid nursery in the Carolinas. With years of hands-on experience producing healthy, high-quality orchids, he has become a trusted resource for both hobbyists and professional growers seeking practical solutions to common cultivation challenges.
Drawing on his commercial growing background, Steve specializes in greenhouse management, plant health, and disease prevention. His presentations focus on creating clean, efficient growing environments that promote vigorous orchids while reducing the risk of disease and plant loss.
Steve is especially known for sharing practical guidance on greenhouse sanitation, virus awareness, plant handling, and media selection. He explains proven techniques for maintaining healthy collections, preventing the spread of pathogens, and selecting appropriate growing media for different orchid types and growing conditions.
Combining years of commercial experience with a straightforward teaching style, Steve's presentations provide growers with practical, real-world knowledge they can immediately apply to improve the health, longevity, and performance of their orchid collections.
Steve Beckendorf
California
Topics: Sex, Lies and Parasites: Sexual Deception in Orchids, Lost and Found: Searching for Rare Orchids in Colombia, Why Are There So Many Orchids?
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Dr. Steve Beckendorf is a molecular biologist, orchid conservation advocate, and member of the Orchid Conservation Alliance Board of Directors. Throughout his career, he has combined a strong scientific background with a passion for understanding the remarkable biology and evolution of orchids.
Drawing on his expertise in molecular biology and genetics, Dr. Beckendorf explores the extraordinary relationships between orchids and their pollinators. His presentations examine the evolutionary adaptations that have enabled orchids to become one of the most diverse plant families on Earth, highlighting the unique strategies many species use to attract specific pollinating insects.
Using fascinating examples from nature, Dr. Beckendorf explains topics such as floral mimicry, specialized pollination systems, and the complex ecological interactions that drive orchid evolution. His engaging lectures combine scientific research with stunning photography and real-world examples, making advanced biological concepts accessible to audiences of all experience levels.
Whether discussing orchid evolution, pollination biology, or conservation, Dr. Beckendorf brings a unique scientific perspective that deepens appreciation for the incredible diversity, complexity, and ingenuity found throughout the orchid family.
Steve Frowine
Asheville, North Carolina 28806
Topics: Fantastic Phalaenopsis, Marvelous Miniature Orchids, Growing Orchids Without A Greenhouse, Perfect Companion Plants to Orchids, The Basics of Orchid Parenthood and more
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Steven A. Frowine has been passionate about orchids since high school, when he first began growing them under artificial lights. What started as a hobby soon developed into a lifelong career dedicated to growing, studying, and teaching others about these extraordinary plants.
Throughout his professional career, Steve has managed world-class orchid collections at some of the nation's leading botanical institutions. He worked as a horticulturist at the National Tropical Botanical Garden in Hawaii and later served as Chairman of Indoor Horticulture at the Missouri Botanical Garden, where he oversaw one of the largest orchid collections in the United States, comprising more than 10,000 plants.
An accomplished author, educator, and speaker, Steve has spent decades helping orchid enthusiasts succeed by translating professional greenhouse practices into practical techniques that anyone can use at home. His presentations focus on making orchid care approachable, providing clear, easy-to-follow guidance for indoor growers while explaining the science behind successful cultivation.
Whether discussing lighting, watering, repotting, or long-term plant care, Steve's engaging teaching style and extensive horticultural experience make him one of the orchid community's most respected educators. His goal is simple: to help growers of every experience level enjoy healthier orchids and greater success with their collections.
Steve Gonzalez-Costa
Stillwater, Minnesota 55082
Topics: Cattleya, Brachypetalum Paphiopedilums, Travel and Brazil
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Steve Gonzalez has been growing orchids for more than 40 years, turning a lifelong passion into decades of hands-on experience with some of the world's most fascinating orchid species. Originally from San Juan, Puerto Rico, Steve developed an appreciation for tropical orchids at an early age while surrounded by the rich plant diversity of the Caribbean.
His professional career began at a local garden center, where he gained valuable practical experience in orchid cultivation and care. He later expanded his knowledge by working with specialized orchid collections at botanical institutions, deepening his understanding of species orchids, conservation, and advanced cultivation techniques.
Over the years, Steve has become especially knowledgeable about slipper orchids and tropical species, sharing practical growing advice based on decades of firsthand experience. His presentations explore orchid culture, species diversity, and the environmental conditions that allow orchids to thrive, helping growers better understand the needs of these remarkable plants.
Known for his approachable teaching style and extensive horticultural background, Steve combines real-world growing experience with a passion for education, offering informative and engaging programs that benefit orchid enthusiasts of every experience level.
Andrea Niessen
Cali 760045, Colombia, South America
Topics: The Beauty and Diversity of Colombian Orchids, Colombia: Land of Cattleyas, Miniature Orchids from Colombia
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Andrea Niessen is an internationally respected Colombian botanist, conservationist, and co-owner of Orquídeas del Valle, one of Colombia's premier orchid nurseries. Throughout her career, she has dedicated herself to the study, conservation, and cultivation of Colombia's extraordinary native orchids, helping to showcase one of the richest orchid floras in the world.
Drawing on extensive field experience throughout the Colombian Andes, Andrea has developed a deep understanding of the incredible diversity found within the country's cloud forests and mountain ecosystems. Her work emphasizes the importance of conserving these unique habitats while promoting responsible orchid cultivation and appreciation.
An engaging international speaker, Andrea is especially known for her presentations on Colombia's native Cattleya species and the remarkable diversity of miniature orchids that inhabit the Andean region. Through stunning photography and firsthand field observations, she illustrates how geography, elevation, climate, and habitat shape the appearance, diversity, and cultivation requirements of these extraordinary orchids.
Combining scientific knowledge, conservation experience, and a passion for education, Andrea's presentations offer audiences a fascinating journey through Colombia's orchid-rich landscapes while providing practical insights into the successful cultivation and preservation of some of the world's most spectacular orchid species.
Kanchit Thammasiri
Bangkok 10700, Thailand
Topics: Orchid breeding, Orchid Tissue Culture, Orchid Conservation & Sustainable Use
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Born in Bangkok, Thailand, Dr. [Speaker Name] is an internationally respected orchid breeder, researcher, and educator whose career has been devoted to advancing orchid science, breeding, and conservation. He earned both his Bachelor of Science and Master of Science degrees in Agriculture from Kasetsart University in Thailand before pursuing graduate studies in the United States.
He later received both a Master of Science and Ph.D. in Horticulture, specializing in orchid breeding, from the University of Hawaii under the mentorship of the renowned orchid breeder Dr. Haruyuki Kamemoto. This training laid the foundation for a distinguished career in orchid research and hybridization.
Following his doctoral studies, Dr. [Last Name] joined Thailand's Department of Agriculture, where he worked on orchid breeding programs before accepting a faculty position at Mahidol University. There, he has combined teaching, research, and conservation efforts while mentoring future generations of orchid scientists. His work has focused on orchid breeding, conservation biology, sustainable utilization, and the preservation of orchid genetic diversity.
Widely recognized for his contributions to orchid conservation, Dr. [Last Name] has played an important role in developing techniques for orchid seed preservation and long-term conservation. His presentations combine decades of scientific research with practical applications, offering valuable insights into orchid breeding, conservation, seed banking, and the future preservation of one of the world's most diverse plant families.
Gary Yong Gee
Brisbane, Queensland 4152, Australia
Topics: Epiphytic and Lithophytic Orchids, Australian Deciduous Terrestrial Orchids, Orchids of New Guinea
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Gary Yong Gee is an internationally respected orchid grower, photographer, and educator based in Brisbane, Australia. Australian-born of Chinese heritage, Gary has been growing orchids for more than 40 years and has developed a remarkable collection featuring both Australian native orchids and exotic species from around the world.
Growing in a large hobby greenhouse, Gary has cultivated extensive experience with a wide variety of orchids, with a particular appreciation for Australia's unique native species. His passion for orchids has also taken him across the globe in search of orchids growing in their natural habitats.
An accomplished botanical photographer, Gary has amassed an extraordinary collection of more than 100,000 orchid photographs captured during expeditions throughout Australia, New Guinea, Asia, Europe, Central and South America, South Africa, and Madagascar, as well as at orchid shows and in botanical collections. His stunning images document the incredible diversity of orchids while providing valuable insight into their native environments.
Gary is an accredited judge with the Australian Orchid Council and a highly sought-after speaker whose presentations combine exceptional photography with decades of growing experience. He is especially known for sharing his expertise on Australian native orchids, including terrestrial and lithophytic species, while helping audiences better understand their habitats, diversity, and successful cultivation. His engaging programs offer a fascinating journey into some of the world's most unique orchid landscapes.
Know an Orchid Speaker We Should Include?
The Waldor Orchid Library is intended to grow over time. If you know of an active orchid speaker, educator, judge, researcher, hybridizer, or grower who should be listed here, please let us know.
Suggest a SpeakerSpeaker Information Disclaimer
The information provided in this speaker directory is believed to be accurate and current as of 2026. While every effort has been made to verify biographies, affiliations, and other details, information may change over time as speakers update their careers, organizations, or areas of expertise.
This directory was independently compiled by Waldor Orchids as a resource for orchid societies, event organizers, and enthusiasts. We gratefully acknowledge the American Orchid Society for compiling and maintaining its outstanding speaker resources, which served as an important reference during our research.
We encourage you to visit the American Orchid Society at www.aos.org for additional educational resources, speaker information, orchid culture, judging, conservation, and membership opportunities.
If you discover information that is outdated or incorrect, or if you are a speaker wishing to update your profile, please contact us so we can keep this directory as accurate and useful as possible.
