Don Stemen is a nonresident fellow in the Justice and Safety Division at the Urban Institute and a professor in the Department of Criminal Justice and Criminology and codirector of the Center for Criminal Justice at Loyola University Chicago. His research focuses on prosecutorial decisionmaking, prosecutorial performance measurement, criminal case processing, and bail reform. He comanages the Prosecutorial Performance Indicators, a national research and technical assistance project working with local prosecutors’ offices to enhance data capacity, data-driven decisionmaking, and transparency. He also codirects a process and impact evaluation of the elimination of cash bail in Illinois and a project examining case processing in Colorado, Wisconsin, and Illinois.

Before joining Loyola, Stemen was the director of research on sentencing and corrections at the Vera Institute of Justice, where he worked with state and county governments to reform criminal justice policies.

He holds a BS in mathematics and an MA in criminal justice from the University of Illinois Chicago and a PhD in law and society from New York University.