Crime Lab Directors

Jens Ludwig (Director), is the McCormick Foundation Professor of Social Service Administration, Law, and Public Policy at the University of Chicago, Non-Resident Senior Fellow in Economic Studies at the Brookings Institution, Research Associate at the National Bureau of Economic Research (NBER), and co-director of the NBER's Working Group on the Economics of Crime. Ludwig has been involved for the past dozen years with the evaluation of a large HUD-funded housing-mobility experiment known as Moving to Opportunity (MTO), which includes a major demonstration site on the south side of Chicago. He is also one of the nation's leading gun policy researchers, whose publications on the topic include Gun Violence: The Real Costs with Philip Cook (Oxford, 2000) and Evaluating Gun Policy, co-edited with Cook (Brookings, 2003). In 2006 he was awarded the David Kershaw Prize by the Association for Public Policy Analysis and Management for distinguished contributions to public policy by the age of 40.

Harold Pollack (Co-Director), is the Helen Ross Professor of Social Service Administration at the University of Chicago's School of Social Service Administration. He is also an Affiliate Professor in the Biological Sciences Collegiate Division and the Department of Public Health Sciences. He has published widely at the interface between public policy and public health. His recent work appears in AddictionHealth Services ResearchAmerican Journal of Public HealthJournal of the American Medical Association, and other publications. His popular journalism has appeared in the Washington PostNew York TimesVoxAtlantic Monthly, and other publications. An elected member of the National Academy of Social Insurance and an elected Fellow of the American Academy of Social Work and Social Welfare, he served as the 2015 president, Health Politics and Policy section, American Political Science Association.

 Kelly Hallberg (Scientific Director), is a Senior Research Associate at the Harris School of Public Policy. Hallberg manages the Labs’ internal capacity, providing day-to-day operational leadership and scientific direction. She also oversees a portfolio of applied research projects examining innovative approaches to reducing violence and improving the academic and life outcomes of urban youth. Her areas of specialization include methodological issues in evaluating the impacts of interventions, quasi-experimental design, and providing usable information to policy makers on the effects of programs and policies. Before coming to the University of Chicago, Hallberg was principal researcher specializing in educational program evaluation and policy analysis at the American Institutes for Research. In this role, she led studies on teacher quality, improving college and career readiness, and implementing the Common Core. Her previous experience includes work at the Chapin Hall Center for Children at the University of Chicago and as an aide for U.S. Senator Tom Harkin (D-Iowa). She holds a PhD from Northwestern University, an MPP from the Harris School, and a BA from Carleton College.

Patrick Sharkey (Scientific Director, Crime Lab New York) Patrick Sharkey is Associate Professor of Sociology at New York University, with an affiliation at NYU’s Robert F. Wagner Graduate School of Public Service. Sharkey’s current research focuses on how the decline of violent crime has affected urban life and urban inequality in America. This project relates closely to a strand of research Sharkey has conducted documenting the consequences of violent crime, with a particular focus on developmental outcomes of children such as academic performance, cognitive functioning, and health. Sharkey’s broader research agenda considers the role of neighborhoods and cities in generating and maintaining inequality across multiple dimensions. His first book was published in 2013 with the University of Chicago Press, and was titled Stuck in Place: Urban Neighborhoods and the End of Progress Toward Racial Equality. The book received the Mirra Komarovsky Award for the best book of the year from the Eastern Sociological Society, the Otis Dudley Duncan Award from the Population Section of the American Sociological Association, and The American Publishers Award for Professional and Scholarly Excellence (PROSE Award) in Sociology and Social Work.

Crime Lab Executive Directors

Roseanna Ander serves as the founding Executive Director of the University of Chicago Crime Lab (2008) and the University of Chicago Urban Education Lab (2011), as well as Senior Director of Urban Labs at the University of Chicago.  In January 2010, Ms. Ander was appointed to the International Association of Chiefs of Police Research Advisory Committee and she formerly served on the Illinois Juvenile Justice Commission.  Ms. Ander also served on the public safety transition teams for both Chicago Mayor Rahm Emanuel and Illinois Governor Bruce Rauner. Prior to joining the University of Chicago, Ms. Ander oversaw the Joyce Foundation’s gun violence program.  Ms. Ander also served as the developer and lead program officer for the Foundation’s grant making on early childhood education.  Prior to joining Joyce, she was a Soros Justice Fellow with the Massachusetts Attorney General’s Office where she worked on a range of issues including truancy, domestic violence and consumer protection.  Ms. Ander has also worked for the Harvard Injury Control Center, the Harvard Center for Children’s Health, and the Harvard Project on Schooling and Children.  She holds a bachelor’s degree from Boston University and a master’s degree from the Harvard School of Public Health.

Katy Brodsky Falco is Executive Director of Crime Lab New York.  Before joining Crime Lab New York, she was the Executive Director of Assessments and Reentry Services at the New York City Department of Correction (DOC), where she designed and implemented a new contracted reentry services contract for DOC. Falco supervised all contracted programs, counseling services, data management for the Programs Unit, and the implementation of national best practices, which included the piloting of evidence-based assessment tools. Prior to her work at DOC, she was Director of Advocacy and Associate General Counsel for Grameen America, Nobel Laureate Muhammad Yunus' non-profit microfinance organization. Falco also worked at Legal Aid Society as a staff attorney in the Criminal Defense Division, and at the International Center for Transitional Justice in Cape Town and New York, researching options for transitional justice in sub-Saharan Africa and Southeast Asia. Falco holds a bachelor's degree from Harvard University and a Juris Doctorate from New York University’s School of Law.

For more information about the University of Chicago Crime Lab, please email:

For more information on Crime Lab New York, please email: