ticipation and impacts of the Supplemental Nutrition Assistance Program (SNAP). Prior to joining ERS, Dr. Andrews was at the Office of Analysis and Evaluation at the U.S. Department of Agriculture’s (USDA’s) Food and Nutrition Service (FNS) where she designed and managed several large-scale evaluation projects, including the National Food Stamp Program Survey. Prior to going to USDA, she was a faculty member in the Department of Economics and Marketing at Rutgers University and a resident fellow at the National Center for Food and Agricultural Policy at Resources for the Future. Dr. Andrews received a Ph.D. in agricultural economics from the University of California at Berkeley.

Maureen Black, Ph.D., M.A., is the John A. Scholl M.D. and Mary Louise Scholl M.D. Professor of Pediatrics at the University of Maryland School of Medicine and director of the Growth and Nutrition Clinic, a multidisciplinary clinic for children with poor growth and feeding problems. She is an adjunct professor in the Center for Human Nutrition at the Johns Hopkins Bloomberg School of Public Health and in the Department of Psychology at the University of Maryland, Baltimore County. Dr. Black is a pediatric psychologist; she has been the president of the Society of Pediatric Psychology and the Division of Children, Youth, and Family Services of the American Psychological Association. She specializes in intervention research related to children’s nutrition, health, and development. She is a site principal investigator (PI) for Children’s HealthWatch and is conducting three NIH-funded intervention trials. She is chair of the Child Health Foundation, chair of the Maryland WIC (Special Supplemental Nutrition Program for Women, Infants, and Children) Advisory Committee, and has served on committees for UNICEF, the World Health Organization, and the Institute of Medicine. She has studied food insecurity among families of children from infancy through adolescence. Dr. Black received her Ph.D. from Emory University.

Commander Heidi Michels Blanck, Ph.D., M.S., U.S. Public Health Service, is chief of the Obesity Prevention and Control Branch at the Centers for Disease Control and Prevention (CDC) in the Division of Nutrition, Physical Activity, and Obesity. Dr. Blanck has more than 11 years of CDC experience as a public health epidemiologist and has authored more than 50 papers and reports in the areas of weight management, nutrition, physical activity, and environmental exposures. She currently oversees CDC’s monitoring of state obesity prevalence and key behavioral, environmental, and policy supports for obesity prevention and control. Staff within the branch focus on national, state, and local surveillance, applied research, and guidelines development related to the topics of body mass index (BMI) screening and counseling, sugar drinks, calorie-dense foods and snacks, television

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