John Roman, Ph.D. is a senior fellow in the Justice Policy Center at the Urban Institute, where his research focuses on evaluations of innovative crime control policies and justice programs. Dr. Roman is also the executive director of the District of Columbia Crime Policy Institute (DCPI) and manages DCPI’s operations, provides oversight of all research, and leads the development and implementation of the cost-benefit model. He directs several studies funded by the National Institute of Justice, including two randomized trials of the use of DNA in property crime investigations, an evaluation of post-conviction DNA evidence testing to estimate rates of wrongful conviction, and a study developing a blueprint for the use of forensic evidence by law enforcement. Dr. Roman is the coeditor of Cost Benefit Analysis and Crime Control, and, Juvenile Drug Courts and Teen Substance Abuse and the author of dozens of scholarly articles and book chapters. Dr. Roman serves as a lecturer at the University of Pennsylvania and an affiliated professor at Georgetown University.