David L. Katz, MD, MPH, FACPM, FACP, FACLM is a specialist in Preventive Medicine and Lifestyle Medicine, with particular expertise in nutrition.

He earned his BA at Dartmouth College (1984); his MD at the Albert Einstein College of Medicine (1988); and his MPH from the Yale University School of Public Health (1993).  He completed sequential residency training and board certification in Internal Medicine (1991) and Preventive Medicine/Public Health (1993).

Katz is the founder and former director of Yale University’s Yale-Griffin Prevention Research Center (1998-2019); Past President of the American College of Lifestyle Medicine; President and Founder of the non-profit True Health Initiative; and Founder and CEO of Diet ID, Inc. He is a Fellow of the American College of Preventive Medicine; the American College of Physicians; the American College of Lifestyle Medicine; and Morse College, Yale University.