Vincent Schiraldi is the founder of the Center on Juvenile and Criminal Justice and the Justice Policy Institute. He has served as director of juvenile corrections in Washington, DC, commissioner of the New York City Department of Probation, and commissioner of the New York City Department of Correction. He has been a senior research fellow at the Harvard Kennedy School and co-founded the Columbia University Justice Lab. He is currently secretary of the Maryland Department of Juvenile Services and has written extensively for outlets ranging from the New York Times to The Marshall Project. The author of Mass Supervision (The New Press), he lives just outside of Washington, DC.