community-based participatory research. She received her Ph.D. and M.S. from Cornell University.

Mariana Chilton, Ph.D., M.P.H., is associate professor in the Department of Health Management and Policy at the Drexel University School of Public Health. She is the principal investigator (PI) for the Philadelphia GROW Project, a nutrition and growth initiative for children and their families, and co-PI of Children’s HealthWatch. She most recently launched Witness to Hunger to increase women’s participation in the national dialogue on hunger and poverty. Her work spans a variety of issues that affect low-income families to address nutritional well-being, public assistance participation, housing instability, and employment. She has held positions at the Hahnemann School of Public Health and the University of Oklahoma Health Sciences Center. Her awards include the Young Professional Award in Maternal and Child Health from the American Public Health Association, the Philadelphia Business Journal “40 Under 40” Young Professional Award, and the National Lindback Award for Teaching Excellence. Dr. Chilton received her Ph.D. from the University of Pennsylvania and an M.P.H. in epidemiology from the University of Oklahoma.

Adam Drewnowski, Ph.D., M.A., is director of the Nutritional Sciences Program, professor of epidemiology, and adjunct professor of medicine at the University of Washington (UW) in Seattle. He also serves as director of the Center for Public Health Nutrition and the UW Center for Obesity Research and is a joint member of the Fred Hutchinson Cancer Research Center. Following a postdoctoral fellowship at the University of Toronto, he served on the faculty of the Rockefeller University and the University of Michigan, where he became professor of public health, psychology, and psychiatry and director of the Program in Human Nutrition at the School of Public Health. His current research focuses on the relationship between poverty and obesity, the links between obesity and diabetes rates in vulnerable populations, and access to healthful foods. He is a member of the IOM Standing Committee on Childhood Obesity Prevention and served on the IOM Planning Committee for a Workshop on Perspectives from United Kingdom and United States Policy Makers on Obesity Prevention. Dr. Drewnowski received his Ph.D. in psychology from the Rockefeller University in New York and his M.A. in biochemistry from Oxford University in the United Kingdom.

Edward A. Frongillo, Jr., Ph.D., M.S., is professor and chair of the Department of Health Promotion, Education, and Behavior in the Arnold School of Public Health at the University of South Carolina in Columbia. Dr. Frongillo studies how to solve under- and overnutrition of populations

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