He has conducted seminars on program evaluation in Israel, Colombia, India, Cote D’Ivoire, and Kenya. He has been a consultant to the World Health Organization on AIDS prevention research and to UNESCO and the U.S. Agency for International Development on project evaluation. He has lectured in Poland, Germany, and the United Kingdom on special problems of survey research and randomized experiments for program evaluation. His work on the design of field experiments for planning and evaluating social and educational programs has received recognition form the American Educational Research Association (Research Review Award), the Policy Studies Association, and the American Evaluation Association (Gunnar and Alva Myrdal Award). He has been a fellow at the American Statistical Association, the Center for Advance Study in the Behavioral Sciences, and the Rockefeller Foundation. He is the author of about 150 articles in research journals and author or editor of over 10 books. He has a Ph.D. in psychology/statistics from Iowa State University (1968).

ANTHONY A. BRAGA (Consultant) is senior research associate in the Program in Criminal Justice Policy and Management of the Malcolm Wiener Center for Social Policy at Harvard University’s John F. Kennedy School of Government. His research focuses on working with criminal justice agencies to develop crime prevention strategies to deal with urban problems, such as firearms violence, street-level drug markets, and violent crime hot spots. He has served as a consultant on these issues to a wide range of public agencies and private institutions, as well as numerous state and local law enforcement agencies. He was a key member of the Boston Gun Project/ Operation Ceasefire working group. He has an M.P.A. from Harvard University and a Ph.D. in criminal justice from Rutgers University.

LINDA B. COTTLER is professor of epidemiology in the Department of Psychiatry at Washington University School of Medicine in St. Louis. Her work has been in the areas of methods of psychiatric epidemiological research, with emphasis on substance abuse and dependence (drugs and alcohol) and its co-morbidity with other disorders, and prevention research. Specifically, her contributions to the field include risk factors for substance abuse, assessment of substance use and psychiatric disorders, the public health consequences of substance use, including HIV, and peer-delivered prevention models to reduce HIV and substance abuse. She is director of a postdoctoral training program in epidemiology and biostatistics of the National Institute of Mental Health (NIMH), director of a pre- and postdoctoral training program in co-morbidity and biostatistics of the National Institute on Drug Abuse (NIDA), and a consultant to the World Health Organization’s Mental Health Division. She is on the advisory board of the National Center for Responsible Gaming, a member of NIDA-K