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David DeMatteo

David DeMatteo, JD, PhD

Director of JD/PhD Program
Associate Professor
Department of Psychology
Office: Stratton 338
Phone: 215.553.7107


  • BA (High Honors), Psychology, Rutgers University
  • MA and PhD, Clinical Psychology, MCP Hahnemann University
  • JD (Magna Cum Laude), Villanova Law School

Curriculum Vitae:

Curriculum Vitae (PDF)

Research Interests:

  • Psychopathy
  • Forensic mental health assessment
  • Testing in forensic assessment contexts
  • Drug policy research



David DeMatteo, JD, PhD, is an associate professor of Psychology and Law, and director of the JD/PhD Program in Law and Psychology. His research interests include psychopathy, forensic mental health assessment, drug policy and offender diversion. DeMatteo’s research has been funded by the National Institute on Drug Abuse, Pennsylvania Department of Health, Pennsylvania Commission on Crime and Delinquency and American Psychology-Law Society. He teaches several graduate and undergraduate courses in the Department of Psychology, and several law courses at the School of Law.

DeMatteo received a BA (high honors) in psychology from Rutgers University, an MA and PhD in Clinical Psychology from MCP Hahnemann University, and a JD (magna cum laude) from Villanova Law School. At Villanova Law School, he was Executive Editor of Villanova Law Review and elected to the Order of the Coif. He has co-authored several books and dozens of articles and book chapters on forensic psychology, psychopathy, diversion, and related areas. He is an associate editor of Law and Human Behavior, on the Editorial Boards of several journals, and a reviewer for more than 25 scientific journals. DeMatteo was recently Chair of the American Psychological Association’s Committee on Legal Issues (2011), and he is currently Council Representative to APA for the American Psychology-Law Society (Div. 41 of APA). He is also a Fellow of the American Psychological Association. He is a licensed psychologist in Pennsylvania, where he conducts forensic mental health assessments of juveniles and adults on a variety of legal issues.