John M. MacDonald


  • John M. MacDonald (PSC Research Associate) writes on the correlation between the high numbers of incarcerated persons and the spread of the COVID-19. Read more at Mother Jones

  • John M. MacDonald (PSC Research Associate) was quoted in a Newsweek article about police presence in New York City.

  • John MacDonald (PSC) discusses his new book, grounded in years of research on the positive effects of remediation like fixing up abandonded lots and houses. Read more in Penn Today.

Penny and Robert A. Fox Faculty Director of the Fels Institute
Professor of Criminology
Professor of Sociology

Ph.D., Criminology, University of Maryland, 1999

Research Themes


  • Penn Arts and Sciences 60-Second Lecture: John M. MacDonald on Using Science to Design Safer and Healthier Cities
  • Penn Law School's Third Visual Legal Advocacy Roundtable: John M. MacDonald on Making Sense of Surveillance and Vérité Footage from the Streets