Eric Yarnell, ND, RH graduated from Bastyr University in 1996. He completed two years of informal residency in botanical and general naturopathic medicine with Silena Heron, ND in Sedona, AZ and has also practiced in Denver, CO, Phoenix, AZ and Seattle, WA. He is a founding member and current president of the Botanical Medicine Academy, a recognized specialty society of the American Association of Naturopathic Physicians. Dr. Yarnell is an adjunct professor of botanical medicine at Bastyr University and formerly served as chair of botanical medicine at Southwest College of Naturopathic Medicine where he also taught urology/men's health, gastroenterology, and pulmonology. He is also the vice president and co-founder of Heron Botanicals, Inc. in Seattle, WA.

Dr. Yarnell is former senior editor of the Journal of Naturopathic Medicine. He is a professional member and registered herbalist with the American Herbalist Guild. He has a regular column in Alternative and Complementary Therapies on clinical application of botanical medicine. He is also author of Naturopathic Gastroenterology, Naturopathic Urology and Men's Health and Phytochemistry and Pharmacy for Practitioners of Botanical Medicine. He is a co-author of or contributing author to HealthNotes Online, A-Z Guide to Drug-Herb-Nutrient Interactions, Natural Pharmacy, and Herbal Solutions for Healthy Living.