Stephen Mastrofski

University Professor of Criminology, Law and Society, George Mason University

Areas of Expertise

  • Police discretion
  • Police legitimacy
  • Police organizations
  • Community policing
  • Police performance
  • Field observations

Key Findings

  • This report surveyed more than 7,000 line-level police officers across 89 U.S. agencies on a variety of statements as it relates to views of community policing. MORE


Stephen Mastrofski, University Professor of Criminology, Law and Society at George Mason University, is an expert in police discretion, community policing and police performance.

Mastrofski served as a visiting fellow to the U.S. Department of Justice and a professor at Michigan State University and Pennsylvania State University. He worked with a team of researchers with the Trinidad and Tobago Police Service and served on the editorial boards of seven scholarly journals. He currently serves on the boards of two journals and is a co-principal investigator on the NIJ-funded National Police Research Platform project. He has received honors and awards from the American Society of Criminology, the Academy of Criminal Justice Sciences and George Mason University.

He has published chapters and articles in scholarly journals including Criminal Justice and Behavior, Justice Quarterly and Policing: A Journal of Policy and Practice.

He received his Ph.D. in political science from the University of North Carolina at Chapel Hill and B.A. in political science from the University of Iowa.