Daniel S. Nagin is Teresa and H. John Heinz III University Professor of Public Policy and Statistics in the Heinz College, Carnegie Mellon University. He is an elected Fellow of the American Society of Criminology, American Association for the Advancement of Science, and American Academy of Political and Social Science. He was awarded the American Society of Criminology's Edwin H Sutherland Award in 2006 and the Stockholm Prize in Criminology in 2014. His research focuses on the evolution of criminal and antisocial behaviors over the life course, the deterrent effect of criminal and non-criminal penalties on illegal behaviors, and the development of statistical methods for analyzing longitudinal data. His work has appeared in such diverse outlets as the American Economic Review, American Sociological Review, Journal of the American Statistical Association, American Journal of Sociology, Archives of General Psychiatry, Criminology, Child Development, Demography, Psychological Methodology, Law & Society Review, Crime and Justice Annual Review, Operations Research, and Stanford Law Review. He is also the author of Group-based Modeling of Development (Harvard University Press, 2005) and chaired and co-edited the report of the (US) National Academy of Science's Committee on Deterrence and the Death Penalty.