papers as well as the book, A Common Sense Guide to Weight Loss for People with Diabetes. She served on the Institute of Medicine’s Subcommittee on Military Weight Management Programs. She has a Ph.D. in physiology and psychology from the University of Washington.


Paul F. Hogan is vice president and senior economist at The Lewin Group in Fairfax, Virginia. He has more than 20 years of experience in applying microeconomics, statistics, and operations research methods to problems in labor economics, including labor supply and demand, efficient staffing methods, and performance and cost measurement. He served as the senior analyst on the President’s Military Manpower Task Force and as director of manpower planning and analysis in the Office of the Secretary of Defense, the office charged with staffing methods and criteria used by military departments to determine demands for personnel. He was awarded the Secretary of Defense Distinguished Civilian Service medal in 1982 and 1985, and the Navy Superior Civilian Service medal in 1980. His doctoral studies include economics, econometrics, and finance at the University of Rochester and his undergraduate degree is in economics from the University of Virginia.


William S. Marras is a professor of industrial and systems engineering at the Ohio State University. He is the director of the university’s Biodynamics Laboratory and codirector of the Institute for Ergonomics. He also is the recipient of the Honda endowed chair in transportation research. He holds academic appointments in the Department of Industrial, Welding, and Systems Engineering, the Department of Physical Medicine, and the Biomedical Engineering Center. His research involves industrial biomechanics issues, laboratory biomechanics studies, mathematical modeling, and clinical studies of the back and wrist. He was a member of the National Research Council’s Committee on Musculoskeletal Disorders and the Workplace and is currently a member of the Committee on Human Factors. He has an M.S. in engineering and a Ph.D. in bioengineering and ergonomics from Wayne State University.


Stephen W. Marshall is assistant professor at the University of North Carolina at Chapel Hill, with joint appointments in the Department of Epidemiology in the School of Public Health and the Department of Orthopedics in the School of Medicine. His main area of research is injury prevention, occupational injury, biostatistics, epidemiological methods, and epidemiological data analysis. He is a member of the American College of Sports Medicine, the American Public Health Association, and the Society for Epidemiologic Research. Before coming to the University of North Carolina in 1994, he worked in the Injury Prevention Research Unit



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