Gary D. Foster, Ph.D., is the Chief Science Officer at WW (formerly Weight Watchers) and Adjunct Professor of Psychology in Psychiatry at the Perelman School of Medicine at the University of Pennsylvania. Dr. Foster, a clinical psychologist and obesity investigator, was previously the Founder and Director of the Center for Obesity Research and Education at Temple University in Philadelphia, where he was the Laura Carnell Professor of Medicine, Public Health and Psychology.
