Mark Hyman

Mark Hyman, MD, is a physician, author, and advocate in functional medicine, recognized for his contributions to health and nutrition. After serving as co-medical director at Canyon Ranch in Lenox, Massachusetts from 1996 to 2004, Mark Hyman, MD, went on to establish The UltraWellness Center in Lenox. A prominent figure in functional medicine, Dr. Hyman has been board president for clinical affairs for The Institute for Functional Medicine since 2001.

A trusted medical contributor, he regularly appears on national television programs such as CBS This Morning, Today, Good Morning America, The View, and CNN, reaching broad audiences with his expertise in health and nutrition. In 2009, Dr. Hyman testified before the United States Senate Committee on Health, Education, Labor, and Pensions regarding integrative medical care. He co-authored ‘The Daniel Plan,’ which became a New York Times bestseller in 2013 and received the Christian Book of the Year award the same year.

The following year, in 2021, he co-founded Function Health, a membership-based diagnostic health platform, where he serves as Chief Medical Officer. Function Health has completed over 3 million lab tests as of 2023, and in 2024, forged key partnerships with Thrive Global and Grail, before acquiring Ezra in 2025. Demonstrating his ongoing influence, Dr. Hyman launched the ‘Health Hacks’ podcast in June 2024, testified before the House Ways and Means health subcommittee in 2024, and was recognized on the prestigious Time 100 Health list in May 2025.