James O. Hill, PhD is the Founding Executive Director of the Anschutz Health and Wellness Center at the University of Colorado and the Anschutz Professor of Pediatrics, Medicine and Physiology & Biophysics. He holds a PhD degree from the University of New Hampshire in Physiological Psychology and was Chair of the first World Health Organization Consultation on Obesity in 1997, the President of The Obesity Society (1997-8) and The American Society for Nutrition (ASN) 2008-9. He was a member of the NIH Expert Panel on Obesity that developed the first U.S guidelines for the treatment and prevention of obesity. Dr. Hill has published more than 500 scientific articles and book chapters. Dr. Hill is a cofounder of the National Weight Control Registry, a registry of individuals who have been successful in maintenance of a reduced body weight and co-founder of America on the Move to inspire Americans to make small changes in how much they eat and how much they move to prevent weight gain.