Laura McGuinness, Commissioning Editor, speaks to Dr James O Hill*. Dr Hill is the Founding Executive Director of the Anschutz Health and Wellness Center at the University of Colorado Anschutz Medical Campus. He also holds the Anschutz Endowed Chair in Health and Wellness. He is Professor of Pediatrics and Medicine. He holds a BS degree from the University of Tennessee and MS and PhD degrees from the University of New Hampshire (USA) in Physiological Psychology. He served as Chair of the first WHO Consultation on Obesity in 1997. He was President of The Obesity Society during 1997–1998 and President of the American Society for Nutrition from 2008 to 2009. Dr Hill was a member of the NIH Expert Panel on Obesity that developed the first US guidelines for the treatment and prevention of obesity. Dr Hill has published more than 500 scientific articles and book chapters; many of these focus on the importance of healthy eating and physical activity in weight management. He is the recipient of the 2007 TOPS award and the 2012 George Bray Founders Award from the Obesity Society. He has received the Centrum Center, McCollum and Kritchevsky awards from the American Society for Nutrition, and is the 2012 Atwater Lecturer for the US Department of Agriculture. 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. He is cofounder of America on the Move, a national weight gain prevention initiative that aims to inspire Americans to make small changes in how much they eat and how much they move to prevent weight gain. He is the author of several books and he lectures around the world on obesity, health and wellness. His current work focuses on developing science-based strategies to reduce obesity rates.