Dr. Jill Stansbury is a naturopathic physician with over 30 years of clinical experience. She served as the chair of the Botanical Medicine Department of the National University of Natural Medicine for more than 20 years. She remains on the faculty, teaching and leading ethnobotany field courses in the Amazon. She is the author of Herbal Formularies for Health Professionals, Volume 1 through Volume 5, and is the co-author of The PCOS Health and Nutrition Guide. Dr. Stansbury lives in Battle Ground, Washington, and is the medical director of Battle Ground Healing Arts. She also runs an herbal apothecary featuring many of her own custom formulas.