John MacDonald is Professor of Criminology and Sociology and a faculty affiliate in the Population Studies Center of SAS. Professor MacDonald focuses primarily on studying race and ethnic disparities in criminal justice and the effect of public policy responses on crime and health. Dr. MacDonald won the Association of Public Policy and Management's David N. Kershaw Award. He is an elected Fellow of the Academy of Experimental Criminology. His ongoing research includes a randomized community trial of vacant housing remediation. His recent work appears in Annual Review of Public Health, Journal of Quantitative Criminology, and Proceedings of the National Academy of Sciences.