She is a public health nutrition investigator with a special interest in the relationships between food policy, the food environment, and health. She has expertise in qualitative methods, program evaluation, community-based research, and nutritional epidemiology. Her research focuses on household food security status and neighborhood effects on diet, weight, perinatal outcomes, and other maternal and child health issues, especially among vulnerable populations. Dr. Laraia’s current projects include measurement issues of the food and physical activity environments; influences of the food environment on diet and weight among postpartum women; and understanding the role that tiendas (Latino grocery stores) play in diet quality among Latinos. She has previously served on the IOM planning committee for the Workshop on the Public Health Effects of Food Deserts. She is a registered dietitian. Dr. Laraia received her PhD and MPH from the University of North Carolina School of Public Health.

Sheila Mammen is professor of resource economics at the University of Massachusetts Amherst. Her research interest lies in the economic well-being of families and households with special emphasis on low-income households. U.S. Department of Agriculture (USDA)-funded, multi-state, multi-disciplinary research projects on which she has participated include Rural Low-Income Families: Tracking Their Well-Being and Functioning in the Context of Welfare Reform (1998-2008) and Interactions of Individual, Family, Community, and Policy Contexts on the Mental and Physical Health of Diverse Rural Low-Income Families (2009-2013). She is currently the PI on two USDA/National Institute of Food and Agriculture–funded projects, Core Health Messages: A Strategy to Improve the Health and Well-Being of Rural, Low-Income Families and Dissemination of Core Health Messages: Using Community Based Participatory Research to Strengthen the Health of Rural, Low-Income Families. Her publications are focused primarily on low-income, rural families in the areas of labor supply decisions, use of the Earned Income Tax Credit, coping ability in light of persistent food insecurity, satisfaction with life, and poverty dynamics. Dr. Mammen holds an MS from Purdue University and a PhD from the University of Missouri–Columbia.

Mary K. Muth is director of the Food and Nutrition Policy Research Program at RTI International in North Carolina. She is also an adjunct associate professor in the Department of Agricultural and Resource Economics at North Carolina State University. She has expertise in economic impact analysis as well as applications of industrial organization, applied welfare analysis, econometrics, and statistical analysis in evaluating food, agricultural, and nutrition policy and providing information for policy development. Dr. Muth also specializes in developing computer models and



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