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Ryken Grattet
Research Fellow
(916) 440-1123
Criminal justice and corrections
One Page Bio
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Ryken Grattet is a research fellow at the Public Policy Institute of California and professor of sociology at the University of California, Davis. Previously, he served as assistant secretary of research in the California Department of Corrections and Rehabilitation. At PPIC, he co-leads a collaborative project between the California Board of State and Community Corrections (BSCC), PPIC, and several partner counties, known as the BSCC–PPIC Multi-County Study. This data collection and evaluation effort is designed to estimate the effects of realignment on recidivism outcomes and identify best practices for recidivism reduction at the local level. He is the co-author of Making Hate a Crime: From Social Movement to Law Enforcement, Parole Violations and Revocations in California, and numerous articles in professional and policy publications. He holds a PhD in sociology from the University of California, Santa Barbara.
Other Selected Publications

Bird, Mia and Ryken Grattet. 2016. "Recidivism and Realignment.” The ANNALS of the American Academy of Political and Social Science 664 (March): 176-195 [DOI: 10.1177/0002716215603319]

Bird, Mia and Ryken Grattet. 2015. "Policy Change and Recidivism: The Effects of California’s Realignment and Local Implementation Strategies on Rearrest and Reconviction.” Criminal Justice Policy Review [DOI: 10.1177/0887403415604900]

Grattet, Ryken and Jeffrey Lin. 2014. ""Supervision Intensity and Parole Outcomes: A Competing Risks Approach to Criminal and Technical Parole Violations” Justice Quarterly [DOI: 10.1080/07418825.2014.932001]