Mark Hyman, M.D., is Vice Chair of the Board of Directors and faculty of the Institute for Functional Medicine. He is a family physician, four times New York Times bestselling author and a lecturer. Dr. Hyman has become an internationally recognized leader in the field of functional medicine and is the founder and medical director of The UltraWellness Center. Dr. Hyman is editor of "Alternative Therapies in Health and Medicine." Dr. Hyman was co-Medical Director for eight years at Canyon Ranch Lenox, one of the world's leading health resorts.