Dean Ornish, M.D., is the founder, president, and director of the non-profit Preventive Medicine Research Institute in Sausalito, California, where he holds the Bucksbaum Chair. He is Clinical Professor of Medicine at the University of California, San Francisco. Dr. Ornish received his medical training from the Baylor College of Medicine, Harvard Medical School, and the Massachusetts General Hospital. He received a B.A. in Humanities summa cum laude from the University of Texas in Austin, where he gave the baccalaureate address.
 
For the past 24 years, Dr. Ornish has directed clinical research demonstrating, for the first time, that comprehensive lifestyle changes may begin to reverse even severe coronary heart disease, without drugs or surgery. He is the author of five best-selling books, including New York Times bestsellers Dr. Dean Ornish's Program for Reversing Heart Disease, Eat More, Weigh Less, and Love & Survival.