Visiting Scholars and Research Affiliates

Sean Cremin is a research associate at the Public Policy Institute of California. His research interests lie at the intersection of public safety, criminal justice reform, and socioeconomic opportunity. Prior to joining PPIC, he worked as a senior research associate at NORC at the University of Chicago where he supported evaluations of federally-funded programs aimed at mitigating poverty and inequality. He holds a master’s degree in public affairs from Princeton University’s School of Public and International Affairs and a BA in politics, philosophy, and economics from Pomona...

Eric McGhee is a senior fellow at PPIC, where he focuses on elections, legislative behavior, political reform, and surveys and polling. His research on elections and electoral reform has appeared in numerous academic journals, and his work has been profiled on National Public Radio, the Washington Post, the New York Times, and The Economist. He is the creator of the “efficiency gap”—a widely used measure of gerrymandering—and coauthor of a legal test based on the measure that has been presented before the US Supreme Court in recent high-profile litigation. He is an occasional contributor...

Deepak Premkumar is a research fellow at the Public Policy Institute of California, where he specializes in the intersection of race, criminal justice, and health. Through the lens and tools of an economist, his recent work examines the broader effects of police use-of-force and social costs of policing. He aims to provide an empirical guide to understand the determinants of disparities in the legal and health systems, while investigating policies to alleviate them. He has published a book chapter, co-written with Justin McCrary, in The Cambridge Handbook of Policing in the United States....