Mark Hyman, M.D.

Mark Hyman, MD is an American physician, scholar and author. He is the founder and medical director of the UltraWellness Center and a columnist for The Huffington Post. Hyman is a regular contributor to the Katie Couric Show.
Hyman is a proponent of functional medicine and is the chairman of the Functional Medicine Institute. He has served as editor-in-chief and contributing editor to Alternative Therapies in Health and Medicine, a peer-reviewed medical journal focused on functional medicine.