Dr. Fitzgerald received her doctorate of naturopathic medicine from National College of Natural Medicine in Portland, Oregon. She has been published in numerous peer-reviewed journals and is the host of New Frontiers in Functional Medicine. Dr. Fitzgerald is also on faculty at the Institute for Functional Medicine and is an Institute for Functional Medicine Certified Practitioner. She regularly lectures internationally for several organizations and is in private practice in Sandy Hook, Connecticut. Her study Potential Reversal of Epigenetic Age Using a Diet and Lifestyle Intervention: A Pilot Randomized Clinical Trial is the first of its kind to show biological age reversal in humans and is being used in her 3 Years Younger (3YY) program.

Jill Sheppard Davenport is a health and wellness expert, with twenty years of experience directing, managing and implementing health and nutrition-related projects, programs, public policy and advocacy work. She is fluent in the scientific, clinical, and real-world applications of “food as medicine.” Jill holds a Master’s in Public Policy from the Harvard Kennedy School, a Master’s of Science in Nutrition from the Maryland University of Integrative Health, and national board certifications in both nutrition and health coaching. Her consultancy JustHealth, focused on health and wellness programs and policy, and her clinical practice, specializing in nutritional approaches for preventing chronic disease and nutrition for mental health, are based in the Washington, DC area.