Administrative Structure and Council Members

The AHG Governing Council consists of 10 elected AHG members that operate by consensus rather than majority rule policy.  The council is the decision making body of the organization.

The AHG Officers consist of 4 council appointed members from amongst council, President, Vice President, Secretary, and Treasurer.  

The AHG Staff implements council plans and manages the organizational workflow.

The American Herbalist’s Guild (AHG) Advisory Board a group of professionals from clinical, education and industry backgrounds providing non-binding, strategic and expert advice to the AHG Board of Directors. Advisory Board members must be members in good standing with the AHG.

AHG Leadership


Bevin Clare, M.S., R.H., CNS
AHG President

Bevin is currently appointed as an Associate Professor and Program Manager of the Post-Master's Certificate in Clinical Herbalism at the Maryland University of Integrative Health. She holds a MSc in Infectious Disease from the London School of Hygiene and Tropical Medicine, serves on as an adjunct Assistant Professor at the Massachusetts College of Pharmacy and is an Adjunct Associate Professor at the New York Chiropractic College. Bevin has studied herbal medicine around the world and blends her knowledge of traditional uses of plants with modern science and contemporary healthcare strategies. She is founder of the Herbal Clinic for All program, providing cost-free herbal medicine healthcare since 2007.  She is a board member of the United Plant Savers, a group working to protect at-risk medicinal plants in North America. She resides in Maryland with her husband and two little ones who you will see at the annual gatherings. You can find Bevin’s musing on a variety of Clinical Herbalism topics, including infectious disease, at

Phyllis D. Light, RH(AHG), LMT, MA
AHG Vice-President

Phyllis Light is an herbalist and healer with almost 30 years of clinical experience. She is traditionally trained in Appalachian Folk Medicine and began her studies with her Cherokee/Creek grandmother, and later with Tommie Bass, in the deep woods of North Alabama. Phyllis maintains a private practice in Arab, AL where she supports an integrative approach to well-being and a preventive health model based on healthy lifestyle choices. She teaches at symposium, clinics and herb schools around the country. Phyllis offers herbal and natural health classes and a practitioner program for herbalists at the Appalachian Center for Herbal Studies in Arab, AL. She is a member of the Cherokee Tribe of Northeast Alabama, on the board of directors of Herbs for Orphans in Haiti, involved in the Common Ground Clinic in New Orleans, and is a consultant for the Alabama Medicinal Plant Grower’s Association. She also teaches classes on Energy work and Shamanic techniques.

Richard Mandelbaum RH (AHG)
AHG Secretary

Richard is a clinical herbalist in New York and has studied primarily with David Winston and William LeSassier. In addition to his practice he teaches classes and mentors students in herbal medicine, medicine making, and botany. Richard teaches primarily in Brooklyn and is a guest instructor at David Winston’s Center for Herbal Studies. Richard’s herbalism is part of a larger approach to reestablishing a healthy relationship with our planet, and he is also active in the areas of fair trade and human rights, and food justice. He is the former chair of the Domestic Fair Trade Association and currently serves on the board of the Brooklyn Food Coalition. Richard migrates throughout the year with his wife Gabrielle and daughter Rose between Brooklyn and their straw bale home in Forestburgh, NY.

David N. Harder, RH (AHG)
AHG Treasurer

David practices Clinical Herbalism at 143 Northampton Street in Easton, Pennsylvania. He is active as an educator in his community, a co-founder of “Herbal Exchange” the NJ AHG Chapter and “Changewater Wellness Center”, a clinic that provides clinical experience to advanced herbal students, while serving individuals needing low cost counsel and herbs. David has been a professional member of the American Herbalist Guild since 1999. He and his wife, Linda has owned and operated Nature’s Way a natural foods store in Easton since 1975.  On play days with mild weather, gardening, herbal wild crafting and cycling, take him out doors. Inclement weather allows time for research, woodworking and music. 


Mimi Hernandez, RH (AHG)
AHG Executive Director

Mimi Hernandez is a clinical herbalist and herbal educator whose courses balance traditional reverence with scientific understanding and intuitive awareness. She has served as the Director of the Appalachian Center for Ethnobotanical Studies at Frostburg State University in Maryland where she taught undergraduate Ethnobotany. With roots in Asheville, NC, Mimi is a founder of the One World Healing Arts Institute and continues to mentor community herbalists through the One World Healing Community. Mimi also developed the herbal formulations at Mortar & Pestle Apothecary.  Mimi holds a Master of Science Degree in Herbal Medicine and some of her favorite mentors have included James Duke, Simon Mills, and Rocio Alarcon.  As an herbalist, Mimi draws upon her rich ethnic background & the Granny healers and Shamans in her life and believes that the handing down of plant wisdom is essential. She enjoys nature time, especially waterfalls, creeks, and oceans and is a mom of two cool and unique kids, Anais and Evan.

Heather Lee Houdek
AHG Office Administrator

Heather Lee Houdek was born in Chicago, but has deep roots in Western North Carolina where she has resided most of her life. A love of plants and the natural world was instilled in her by her parents from an early age. She graduated from Brevard College in 2002 with a BA in Fine Art. She enrolled in 2008 at the Appalachia School of Holistic Herbalism in Asheville, NC, finishing both the Fundamentals in Herbalism program and Traditional Herbalism certification program. She has taught classes in beginning herbalism and medicine making at the Appalachia School of Holistic Herbalism and at the International Center in Greenville, SC, as well as conducts a number of private workshops. Heather has published a book on Herbal Body Care with Sterling Press. She brings ten years of management experience to the American Herbalist Guild.

Gloria Black Anders
AHG Administrative Assistant

Gloria Black Anders grew up in The Haw Creek area of East Asheville. She spent most of her time in the woods, hiking and spending time with the plants. Upon High School GradAs an adult, she attended Western Carolina University, and majored in Interior Design.  After a very productive career in the design industry, an illiness in her family prompted her to return to her roots. Gloria returned to her home town of Asheville, and attended Appalachia School of Holistic Herbalism, and completed the Fundamentals of Herbalism and The Traditional Herbalism program. Most recently she completed The Clinical Program with The Blue Ridge School of Herbal Medicine. Being an employee for The American Herbalist Guild is like a dream come true!

Addie McDermott
Symposium Planner

Addie McDermott is a holistic clinical herbalist residing in the Appalachian Mountains near Asheville, NC. She runs a clinic in Historic Biltmore Village in Asheville and is the founder of Earth Roots Apothecary. She integrates traditional herbalism, scientific evidence and Ayurveda in her clinical work and product development. Her studies in herbalism began at One World Healing Arts Institute, where she completed three herb courses with Mimi Hernandez, RH (AHG). She then completed the Clinical Herbalism Program at Appalachia School of Holistic Herbalism with CoreyPine Shane, RH (AHG) and John Immel. In 2013 she received a Certificate in Practical Aromatherapy from Dr. Joie Power at Highlands School of Natural Healing. Addie's inspiration comes from the wisdom held within the Earth that knows how to heal all wounds. She has a deep respect for these ancient roots and the warriors who share and protect this wisdom. Her favorite activities include working in her garden, making herbal medicine, listening to stories, and especially, spending time with her 7 year old son.

Anne de Courtenay
Editor, JAHG

A born and bred Chicago native, Anne de Courtenay has been studying herbalism in the Western and Chinese traditions for over a decade with Althea Northage-Orr. She is a graduate of the Chicago College of Healing Arts, from whom she has earned certificates in Herbalism and bodywork. She is also a graduate of the East West School of Planetary Herbology headed by Michael and Lesley Tierra in California, whose curriculum encompasses Western, Chinese and Ayurvedic materia medica and diagnostic systems. She holds a diploma in Asian Body Therapy from the NCCAOM. Her original professional venture began with a Bachelor’s Degree in Journalism from the the prestigious Medill School at Northwestern University in Evanston, Ill.; she now uses these skills to support her dedication to botanical medicine. Currently, Anne teaches herbal classes at the Chicago Center for Psychophysical Healing and at the East West School’s annual herbal seminar. She also works as an editor for Michael and Lesley Tierra. Anne practices herbal therapy and bodywork at her clinic, Imagine Health, in Chicago's Lincoln Square neighborhood. She has been happily married to the singer/songwriter Martin McCormack for seven musical years.

Governing Council

Henriette den Ouden
Council Member

Henriette den Ouden is a herbalist and herb farmer with a master’s degree in Herbal Medicine from Maryland University of Integrated Health.  She is the co-owner of Habanera Farm, Maryland’s first (and only) licensed herbal tea processing center in a rural area of the Eastern Shore of Maryland.  The farm grows a variety of herbs, native and non-native that love the local low and moist land and long growing season.  She is partnering with researchers at the University of Maryland Eastern Shore (UMES) to assess the essential oil content of Tulsi varieties and other herbs grown at the farm.  The farm also has a growing antioxidant orchard of Aronia berries, Elderberries, local plums and a variety of other fruits.  Henriette is a clinical herbalist and teacher and has committed to outreach work in her area.  She teaches community groups, master gardeners, is a visiting instructor for the Pharmacy School of the UMES and teaches at a Community College.  Henriette offers classes and workshops at the farm and in the area on herbal medicine, growing and identifying medicinal herbs, and healthy eating and cooking.  Henriette is originally from the Netherlands.  In the US she started a career as an HR professional with an MA in Human Resource Management. In 2004 she quit her job and started at MUIH.  She graduated in 2007, by then she and her partner had already bought a 1740 farmhouse and started creating an oasis of stillness and beauty 2 hours from Washington DC.

Ashley Litecky Elenbaas, RH(AHG)
Council Member

Ashley Litecky Elenbaas is a Clinical Herbalist and owner of Sky House Yoga, a donation-based wellness collective in Silver Spring, Maryland. Ashley holds an MS in Clinical Herbalism from Maryland University of Integrative Health, where she graduated in 2008 and is a professional member and registered herbalist (RH) with the American Herbalists Guild. Ashley's passion for plant medicine and her affinity to myth and story started at a young age. She studied plant medicine and myth in the rainforests of Australia, central Costa Rica, and the mountains of North Carolina. Ashley is on the teaching staff at George Washington University, and has presented at the National Institute of Health (NIH) and is currently the facilitator and host for the Evolver Herbal Learning Labs, an international online classroom that hosts professional herbalists from across the world.

Her early years of studying herbal medicine were spent working on biodynamic farms and summer internships as a garden hand. From 2003 – 2006 she worked on staff at the Maryland University of Integrative Health (MUIH) as an admissions counselor educating and enrolling prospective students into graduate programs. Ashley is a self-motivated worker, cheerful, and is an active advocate of the plants and the people who protect them.  Her days are spent managing the Deep Green Herbal Apothecary, seeing clients, leading 20 amazing herbal apprentices, hosting online herbal webinars, and teaching donation-based yoga in her community.

Ashley cherishes the work of Matthew Wood, Stephen Buhner, Susun Weed, Simon Mills, and Kiva Rose and hopes one day to have a garden like Rosemary Gladstar.

Bryan Bowen, Clinical Herbalist Msc
Advisory Board Liaison, Membership Benefits

Bryan Bowen is a clinical herbalist and nutritionist in Sebastopol, California. He has a passion for nature and enjoys growing, wildcrafting, and making medicines for his apothecary. He utilizes both scientific and traditional approaches to promote wellness and vitality in his practice.  Blending science and tradition is truly holistic and combines advances in evidence-based medicine, physiology and pathophysiology with (sometimes) centuries-old empirical knowledge, constitutional and historical approaches to healing (e.g., Ayurveda, Four Humors, TCM). Bryan is a faculty member at the California School of Herbal Studies. He studied at the Northeast School of Botanical Medicine, the California School of Herbal studies and has a Masters of Science in Herbal Medicine from the Maryland University of Integrative Health.  He has a bachelor’s degree from the University of Colorado in psychology.

Leslie Alexander, PhD, RH(AHG), Council Member

Leslie Alexander, PhD, RH(AHG) is co-owner of Restoration Herbs in Franklin, PA, where she has a clinical practice and works as a community herbalist. For Leslie, herbalism brings together years of using herbs, a passion for the outdoors and her training in health-related research. She received her B.Sc. from Fairleigh Dickinson University in Environmental Sciences and her Ph.D. from Heriot Watt University for her work with Enteromorpha, an intertidal seaweed. For several years she worked in England and Scotland as a research scientist, focusing her work on environmental factors affecting children’s health. Drawn increasingly to more natural ways of healing, she retrained as a Medical Herbalist and returned to the States in 2005. She completed a diploma in Herbal Medicine, with Honors, from ACHS and later her clinical training with Richard Mandelbaum RH(AHG). She continues to learn from students, colleagues and plants. Leslie has been an active general member of the American Herbalist’s Guild since 2004 and a professional member since 2009.


Ren Minish
Office Intern

Ren is the office intern at AHG. Throughout the years, a number of roles have contributed to Ren’s skill and knowledge in the herbal field. While working as a Raw Vegan Chef in Florida, he took a correspondence course with Susun Weed which opened his door to the herbal world. He then realized that in order to further this passion, he would need to move to Asheville, NC where he studied the traditional course of herbalism at The Appalachian School of Holistic Herbalism. From that point onward, Ren has been sharpening his skills and increasing his practical knowledge through continuing self-study of medicine making, botany, and phytochemistry. Additionally, working in the wellness department of the French Broad Food Co-op has allowed him to apply and strengthen his knowledge base by working with a large selection of bulk herbs and remedies. Ren recently decided to make another of his dreams come true: completing a four year Classical Chinese Medicine program at Daoist Traditions. He has completed the Massage Therapy diploma program at A-B Tech, and the next step will be moving on to Daoist Traditions.

Jennifer O'Hagan, RH(AHG)
AHG National Chapters Coordinator

Jennifer O’Hagan is a clinical herbalist and founder of Woodland Naturals located in Hope, NJ. She integrates traditional herbalism, nutrition, bodywork, emotional/spiritual healing following Maya traditions, and various integrative therapies. She is active as an educator in her community, is a co-founder of the North NJ AHG Chapter, and a co-founder of the Changewater Wellness Center (a clinic that provides clinical experience to advanced herbal students, while serving the community with low cost counsel and herbs). She is a practitioner and educator for the Arvigo Institute offering advanced classes in the Arvigo Techniques of Maya Abdominal Therapy® and Maya Spiritual Healing. She also worked in the computer industry as a project manager for 32 years. Her hobbies include horseback riding, hiking, animal tracking, and aimless wandering through the woods.

Rosalee de la Foret
AHG beautification and photography coordinator

Rosalee de la Foret is a clinical herbalist and Structural Medicine Specialist who lives on the edge of the wilderness in the Northeastern Cascadian Mountains of Washington State. She contributes regularly to where she enjoys answering questions in the community forums and providing herbal education through ebooks, articles, videos and photography.
Rosalee is certified by the Institute of Structural Medicine and the East West School of Herbology, Rosalee has been privileged to be mentored by herbalists Karta Purkh Singh Khalsa, Michael Tierra, Paul Bergner, and Kiva Rose.  She has taught at many herbal gatherings, including the Traditions in Western Herbalism Conference. Many of the photos featured in this website have been gathered by Rosalee.

Karta Purkh (“K.P.”) Singh Khalsa, Yogaraj, DN-C, RH
AHG Global Ambassador

KP mentored in Ayurveda with Yogi Bhajan for 32 years. Along the way, he incorporated deep studies in Western and TCM herbalism. His school has been training professional herbalists for over 30 years. Karta Purkh has presented over 150 times at professional conferences, has written over 3,000 articles on health topics and is the author or editor of 30 books on health, including his latest, The Way of Ayurvedic Herbs. He is curriculum director and lead instructor in the Portland Community College Nutritional Therapy Program and heads the herbal education department of the Northwest Institute of Ayurveda. He lives in the Northwest with his family.

Advisory Board

Amanda McQuade Crawford
James Snow
Lesley Tierra
Michael Tierra
Christopher Hobbs
David Winston

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