Vincent J. Felitti is co-Principal Investigator of the Adverse Childhood Experiences (ACE) Study, ongoing collaborative research between Kaiser Permanente and the Centers for Disease Control. A 1962 graduate of the Johns Hopkins Medical School, Dr. Felitti is an Infectious Disease internist who founded the Department of Preventive Medicine for Kaiser Permanente in San Diego, California in 1975. He served as Chief of Preventive Medicine until 2001. Under Dr. Felitti’s leadership, the Health Appraisal Division of the department became the largest single-site medical evaluation facility in the world, providing comprehensive, biopsychosocial medical evaluation to a total of 1.3 million individual adults. During his career, he developed major health-risk abatement programs for obesity, smoking, the genetic disease Hemochromatosis, and for somatization disorders. These programs are provided to over 1,000 patients per month in San Diego. Dr. Felitti is Clinical Professor of Medicine at the University of California and a Fellow of the American College of Physicians.