Dr. David Katz is a nutritionist, author, and a globally recognized authority on lifestyle medicine. He’s the founding director of the Yale-Griffin Prevention Research Center and the immediate past-president of the American College of Lifestyle Medicine. Dr. Katz serves as founder of True Health Initiative, a coalition of more than 250 world-renowned physicians, scientists, and nutrition experts who are committed to establishing and communicating a growing scientific consensus on the optimal diet for human beings.