Richard Hahn is a PhD student in the Department of Criminology and Criminal Justice. Prior to his studies at the the University of Maryland, he was a research scholar at New York University's Marron Institute of Urban Management, where he was also executive director of the Crime & Justice Program for three years. While at NYU, Richard worked on a variety of projects, primarily in the fields of custodial and community corrections, reentry, policing, and drug misuse prevention. His research focused on experimental evaluations of emerging programs and practices, though he also frequently served as a policy consultant to national, state, and local agencies, including the United States Department of State, the Executive Chamber of the State of New York, the Maryland Medical Cannabis Commission, the Kings County (Brooklyn) District Attorney, among others. 

At the University of Maryland, Richard focuses his research on corrections and reentry outcomes, behavioral management strategies, and the collateral consequences of justice involvement. In addition to his work at UMD, Richard is an affiliated Senior Fellow at the Niskanen Center in Washington, DC.