chronic disease epidemiologist whose research has focused on tobacco use prevention, promotion of physical activity, and the evaluation of community-level interventions. He is the principal investigator of a CDC-funded Prevention Research Center that is developing innovative approaches to chronic disease prevention among high-risk rural adults. Dr. Brownson is also developing and testing effective dissemination strategies for CDC designed to increase rates of physical activity among adults. Dr. Brownson receives research support from the National Institutes of Diabetes and Digestive and Kidney Diseases to conduct a diabetes prevention study aimed at promoting walking among high-risk rural adults. Dr. Brownson receives support from the Robert Wood Johnson Foundation (RWJF) to understand the environmental characteristics of activity-friendly communities and to measure the perceptual qualities of urban settings through RWJF’s Active Living Research program. He is a member of numerous editorial boards and is associate editor of the Annual Review of Public Health. Dr. Brownson is the author or editor of several books including Chronic Disease Epidemiology and Control, Applied Epidemiology, and Evidence-Based Public Health.

John Cawley, Ph.D., is an Assistant Professor in the Department of Policy Analysis and Management at Cornell University. Dr. Cawley received his undergraduate degree in economics from Harvard University and his Ph.D. in economics from the University of Chicago. Dr. Cawley joined the Cornell faculty in 2001 after spending two years as a Robert Wood Johnson Scholar in Health Policy Research at the University of Michigan. His research focuses on health economics, in particular the economics of obesity. He is currently studying the effect of body weight on labor market outcomes such as wage rates, unemployment, and employment disability; the role of body weight in the decision of adolescents to initiate smoking; the demand for anti-obesity pharmaceuticals; and the extent to which consumption of calories can be considered addictive. His research is conducted with support from the Economic Research Initiative on the Uninsured, the University of Michigan Retirement Research Consortium, J.P. Morgan Private Bank Global Philanthropic Services, RWJF, Merck, and USDA. In addition to his affiliation with Cornell, Dr. Cawley is a Faculty Research Fellow of the National Bureau of Economic Research in the Health Economics and Health Care programs. He also serves on an advisory board to the CDC’s Project MOVE: Measurement of the Value of Exercise.

George R. Flores, M.D., M.P.H., is a Senior Program Officer with The California Endowment, a major health foundation, where his focus is on disparities in health status, prevention of childhood obesity, community-based public health, and health policy. Dr. Flores served previously as

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