David L. Katz, MD, MPH, FACPM, FACP, FACLM is a preventive medicine specialist and globally recognized authority on lifestyle medicine. He is the founding 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. Katz 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. He earned his BA at Dartmouth College; his MD at the Albert Einstein College of Medicine; and his MPH from the Yale University School of Public Health. The recipient of numerous awards for teaching, writing, and contributions to public health, Katz was a 2019 nominee for a James Beard Foundation Award in health journalism, and has received three honorary doctorates. He holds multiple US patents; has over 200 peer-reviewed publications; has published many hundreds of on-line and newspaper columns; and has authored/co-authored 17 books to date including multiple editions of leading textbooks in both nutrition and preventive medicine. Recognized by colleagues as the "poet laureate of health promotion," Katz has given keynote addresses in all 50 United States and in countries on 6 continents.