Senior Research Associate
Expertise: Criminal justice, K-12 education
Joseph Hayes is a senior research associate at the Public Policy Institute of California, where he studies population change, educational policy, and criminal justice issues. Recent projects have focused on estimates of the undocumented immigration population, English Learner reclassification policies in California public schools, and the changing composition of the state’s prison and parole populations. He holds an MS in agricultural economics from the University of Wisconsin, Madison.