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David DeMatteo, JD, PhD, ABPP (Forensic), Professor, Drexel University

David DeMatteo, JD, PhD, ABPP (Forensic)

Director, JD/PhD Program in Law and Psychology
Professor of Law
Professor of Psychology
Department of Psychological and Brain Sciences
Office: Stratton 338
Phone: 215.553.7107

Additional Sites: The DeMatteo Lab


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

Curriculum Vitae:

Curriculum Vitae (PDF)

Research Interests:

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


David DeMatteo, JD, PhD, ABPP (Forensic), is a Professor of Law and a Professor of Psychology at Drexel University, where he serves as Director of Drexel’s JD/PhD Program in Law and Psychology. He received a BA in psychology from Rutgers University, an MA and PhD in Clinical Psychology from MCP Hahnemann University and a JD from Villanova Law School.

Dr. DeMatteo’s research interests include mental health law, psychopathic personality, forensic mental health assessment, offender diversion, and drug-involved criminal offenders. His research has been funded by several federal agencies, state agencies and private foundations, including the National Institute on Drug Abuse, Pennsylvania Department of Health, Pennsylvania Commission on Crime and Delinquency, Pennsylvania Department of Welfare, Pennsylvania Department of Corrections, Laura and John Arnold Foundation and the American Psychology-Law Society.

Dr. DeMatteo has co-authored 12 books and more than 160 articles and book chapters, and he has given more than 200 conference presentations and workshops. As Chair of the American Psychological Association’s Committee on Legal Issues, he assisted with several amicus curiae briefs submitted to the Supreme Court of the United States. He is a Fellow of the American Psychological Association (Divisions 12 and 41) and a Fellow of the American Academy of Forensic Psychology. He is board certified in forensic psychology by the American Board of Professional Psychology, and he is currently President of the American Board of Forensic Psychology.

Dr. DeMatteo is also a former President of the American Psychology-Law Society (APA Division 41). He is currently Chair of the Committee to Revise the APA Specialty Guidelines for Forensic Psychology, and he was recently appointed as incoming Editor-in-Chief of Law and Human Behavior, an official journal of the American Psychological Association. He conducts forensic mental health assessments of adults and adolescents on a variety of legal issues, and he has testified as an expert witness in several state and federal courts.