Mariel Alper, Ph.D., is a former Research Fellow in Sentencing Law and Policy. While at the Robina Institute, she conducted research on theProbation Revocation Project and the Parole Release and Revocation Project. She is currently a Statistician with the Bureau of Justice Statistics at the U.S. Department of Justice. She received her Ph.D. in Criminology and Criminal Justice from the University of Maryland and M.A. in Applied Sociology from Old Dominion University. Her research focuses on parole, gender, community effects, victimization, and the use of administrative data. Her dissertation examined gender and the community effects on recidivism during parole.