and eating disorders; the specific effects of the “toxic environment” that encourages overeating and physical inactivity; bias, prejudice, discrimination, and obesity; cognitive factors that affect body image and associated psychological factors; food prices and food consumption patterns; dietary and exercise interventions in schools; reactions to obesity surgery; and public policy as a means of changing eating and activity in the population. His paper on “Understanding and Preventing Relapse,” published in American Psychologist, was identified as one of the ten most frequently cited papers in psychology. Dr. Brownell has served as president of the Society of Behavioral Medicine, the Division of Health Psychology of the American Psychological Association, and the Association for the Advancement of Behavior Therapy, and has served on the board of directors of other organizations, including the North American Association for the Study of Obesity and the Society for the Experimental Analysis of Behavior. Dr. Brownell received his Ph.D. in clinical psychology from Rutgers University after completing an internship at Brown University. He is a member of the IOM and its Standing Committee on Childhood Obesity Prevention.

William H. Dietz, M.D., Ph.D., is director of the Division of Nutrition, Physical Activity, and Obesity, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention (CDC). Prior to his appointment to CDC, he was a professor of pediatrics at the Tufts University School of Medicine and director of clinical nutrition at the Floating Hospital of New England Medical Center Hospitals. In addition to his academic responsibilities in Boston, Dr. Dietz was a principal research scientist at the Massachusetts Institute of Technology (MIT)/ Harvard Division of Health Science and Technology; associate director of the Clinical Research Center at MIT; and director of the Boston Obesity/ Nutrition Research Center, funded by the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK). He has been a counselor for the American Society for Clinical Nutrition and is past president of the North American Association for the Study of Obesity. In 1995 he received the John Stalker Award from the American School Food Service Association for his efforts to improve school lunches. Dr. Dietz served on the 1995 Dietary Guidelines Advisory Committee, is a past member of the NIDDK Task Force on Obesity, and is former president of the then American Society for Clinical Nutrition. He received a B.A. from Wesleyan University, an M.D. from the University of Pennsylvania, and a Ph.D. in nutritional biochemistry from MIT. Dr. Dietz is a member of the IOM, where he serves on the Standing Committee on Childhood Obesity Prevention.

Scott Faber, J.D., is vice president for federal affairs for the Grocery Manufacturers Association (GMA). In this role, he oversees policy development

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