Mark Hyman

Mark Adam Hyman is an American physician and author. He is the founder and medical director of The UltraWellness Center. Hyman was a regular contributor to the Katie Couric Show until the show's cancellation in 2013. He hosts an eponymous podcast, The Dr. Hyman Show, which examines many topics related to human health. He is the author of several books on nutrition and longevity, of which 15 have become New York Times bestsellers, including Food Fix, Eat Fat, Get Thin, and Young Forever.