Steven N. Blair, P.E.D., is President and CEO of The Cooper Institute in Dallas, Texas. His research focuses on associations between lifestyle and health with emphasis on exercise, physical fitness, body composition and chronic disease. Dr. Blair served as the first president of the National Coalition for Promoting Physical Activity and held the position of Senior Scientific Editor for the Surgeon General's Report on Physical Activity and Health. Dr. Blair also served as a member of the IOM Committee to Develop Criteria for Evaluating the Outcomes of Approaches to Prevent and Treat Obesity.

Robert Brewer, M.D.

Dr. Brewer is the Alcohol Team Leader in the National Center for Chronic Disease Prevention and Health Promotion (NCCDPHP) at CDC. In this position, he provides overall management and direction for the Alcohol Team, and serves as Principal Investigator on an RWJF-funded update of Alcohol-Related Disease Impact (ARDI) software.

Prior to assuming his current position in Atlanta, Dr. Brewer worked as the State Chronic Disease Epidemiologist in Nebraska, on assignment through the NCCDPHP’s Field Epidemiology Program. Prior to this, Dr. Brewer led the CDC’s work on the prevention of alcohol-impaired driving at the National Center for Injury Prevention and Control, and served as an Epidemic Intelligence Service Officer in North Carolina.

Dr. Brewer has authored and co-authored many publications and reports on alcohol use, particularly binge drinking, and alcohol-related health effects. He has also won numerous awards for his work in public health, including two Outstanding Service Medals from the USPHS and the Shepard Science Award, CDC/ATSDR’s preeminent award for scientific excellence, for a study he first-authored on deaths in alcohol-related motor vehicle crashes.

Graham Colditz, M.D.

Graham Colditz, M.D., is Head of the Chronic Disease Epidemiology Group, Channing Laboratory, Brigham and Women's Hospital & Harvard Medical School. He is Epidemiologist and Principal Investigator of the ongoing Nurses’ Health Study located at the Brigham and Women’s Hospital. This cohort, founded by Frank Speizer, M.D., follows 121,700 U.S. women with a questionnaire assessment of lifestyle factors and the use of biomarkers to assess risk of chronic diseases. He also serves as Principal Investigator of an ongoing cohort study of 16,000 adolescents relating diet, physical activity, smoking, and weight gain among adolescents. He has a major interest in the etiology and prevention of cancer, working with the Massachusetts Department of Public Health to translate research findings from ongoing cohort studies into public health strategies for prevention. He teaches cancer prevention, and a course on implementing prevention. His additional public health practice activities include collaborations through the Women, Infants, and Children program to improve diet assessment and nutrition education in the service delivery setting. Within the Harvard Center for Cancer Prevention, Dr. Colditz serves as the Director and has taken a leadership role in developing the Center’s website,, which provides information to the public on the contribution of lifestyle factors to cancer incidence and the potential for preventing cancer. In 2003 Dr. Colditz was the recipient of the American Chemical Society’s Clinical Research

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