Greg Ridgeway
Media Resources
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Education
Overview
Biography
Greg Ridgeway is director of the RAND Safety and Justice Program and of the RAND Center on Quality Policing, charged with managing RAND's portfolio on policing, crime prevention, courts, corrections, and public and occupational safety. He has worked with dozens of law enforcement agencies, local police, federal agencies, and non-U.S. police forces on predictive policing, recruiting, gun violence, community relations, use of force, racial profiling, and other key policing issues. He has also worked with the federal courts and other components of the justice system. His paper presenting a method for assessing racial profiling received the American Statistical Association Outstanding Statistical Application award in 2007. Prior to joining RAND in 2000, Ridgeway worked on data mining at Microsoft Research, receiving seven patents for developed methods. He received his Ph.D. in statistics from the University of Washington, Seattle.
Research Focus
Recent Projects
- Racial profiling analysis in Oakland, CA; Cincinnati, OH; and New York, NY
- Causal effects of community-based drug treatment for youths
- Strategic disruption of illegal firearms markets in Los Angeles
- Drug prosecution and the effect of Proposition 36
- Reducing firearm violence in East Los Angeles
Selected Publications
Greg Ridgeway, Cincinnati Police Department's Traffic Stops: Applying RAND's Framework to Analyze Racial Disparities, RAND Corporation (MG-914), 2009
G. Ridgeway, N. Lim, B. Gifford, C. Koper, C. Matthies, S. Hajiamiri, A. Huynh, Strategies for Improving Officer Recruitment in the San Diego Police Department, RAND Corporation (MG-724), 2008
Greg Ridgeway, Analysis of Racial Disparities in the New York Police Department's Stop, Question, and Frisk Practices, RAND Corporation (TR-534), 2007
Greg Ridgeway, "Assessing the Effect of Race Bias in Post-Traffic Stop Outcomes Using Propensity Scores," Journal of Quantitative Criminology, 22(1):1-29, 2006
Jeffrey Grogger and Greg Ridgeway, "Testing for Racial Profiling in Traffic Stops from Behind a Veil of Darkness," Journal of the American Statistical Association, 101(475):878-887, 2006
G. E. Tita et al., "The Criminal Purchase of Firearm Ammunition in Los Angeles, California," Injury Prevention, 12(5):308-311, 2006
G. Tita and G. Ridgeway, "The impact of gang formation on local patterns and levels of crime," Journal of Research in Crime and Delinquency, 44(2):208-23, 2006
George Tita et al., Reducing Gun Violence: Results from an Intervention in East Los Angeles, RAND Corporation (MR-1764), 2003
Honors & Awards
- 2007 Outstanding Statistical Application Award, American Statistical Association
- 2005 Commendation, ATF Los Angeles Field Division and the Attorney General of California
Recent Media Appearances
Interviews: Cincinnati Enquirer; New York Times; WLW Radio Cincinnati
Commentary: Dallas Morning News; Law Enforcement News; Washington Post
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