Doreen Saltiel practiced interventional cardiology for more than 20 years. She completed her cardiology fellowship at Walter Reed and served 14 years on active duty in the Army, culminating as the Chief of Cardiology at Eisenhower Army Medical Center and the Southeast Region Cardiology Consultant. She also completed advanced fellowship training in Metabolic and Nutritional Medicine from Metabolic Medicine Institute (MMI) and MMI's advanced certifications in Cardiovascular Health and Endocrinology. She has also served as Medical Consultant to MMI and Co-Director of Graduate Education, Program in Integrative Medicine, George Washington University School of Medicine and Health Sciences, where she remains an adjunct faculty member in Integrative Medicine. She holds a Medical Degree from New York Medical College and a Juris Doctorate from the University of Missouri-Columbia School of Law.

Tieraona Low Dog is an internationally recognized expert in the fields of integrative medicine, dietary supplements and women’s health. Her exploration of natural medicine began more than 35 years ago as she studied midwifery, herbal medicine; massage therapy and martial arts before earning her medical degree from the University of New Mexico School of Medicine. Dr. Low Dog was appointed by President Bill Clinton to the White House Commission on Complementary and Alternative Medicine Policy, served as the elected Chair of the US Pharmacopeia Dietary Supplements and Botanicals Expert Information Panel, and was appointed to the Scientific Advisory Council for the National Center for Complementary and Alternative Medicine.  She has been an invited speaker to numerous scientific/medical conferences, and is the author of peer-reviewed articles, medical textbook chapters, and books. She has been interviewed on many syndicated television programs.