Gary FosterGary Foster, Ph.D., is the Chief Scientific Officer at WW (formerly Weight Watchers International). He is the founder and former director of the Center for Obesity Research and Education at Temple University, and he served as clinical director of theWeight and Eating Disorders Program at the University of Pennsylvania School of Medicine. He is the author of numerous scientific publications on the psychology, causes, and treatment of obesity and has worked with thousands of people in group and individual settings. He lives in Philadelphia. Read More Read Less