Gianni Pirelli, PhD, ABPP

Dr. Pirelli is Board Certified in Forensic Psychology, and a licensed psychologist in New Jersey, New York, and Pennsylvania. He is a leading expert in the firearms and mental health arena, as well as in forensic psychology practice ethics and procedures. He leads the group practice, Pirelli Clinical and Forensic Psychology, LLC, a team of licensed doctors conducting evaluations in a range of administrative, civil, and criminal matters. Dr. Pirelli has conducted over 1,000 evaluations and testified over 100 times in private practice.
In addition to maintaining a full-time private practice, Dr. Pirelli has remained active in research, training, and professional service. His primary areas of research pertain to forensic mental health assessment (FMHA), ethics and standards of practice in forensic psychology, and guns and mental health. He has given many professional conference presentations and invited talks, and he has numerous publications, including being the lead on three (3) books published by Oxford University Press: The Ethical Practice of Forensic Psychology: A Casebook (2017); The Behavioral Science of Firearms: A Mental Health Perspective on Guns, Suicide, and Violence (2019); and Firearms and Clinical Practice: A Handbook for Medical and Mental Health Professionals (2023).
Dr. Pirelli has also published chapters in seminal texts such as the Handbook of Forensic Psychology (4th Edition), and his articles have been published in leading practice-oriented journals such as the Journal of Forensic Psychiatry and Psychology; the Journal of Forensic Psychology Practice; Professional Psychology: Research and Practice; and Psychology, Public Policy and Law.
Of additional note is Dr. Pirelli’s research has been cited in amicus briefs to the United States Supreme Court and the New York State Court of Appeals, and in the United States Department of Justice (DOJ) President’s Commission on Law Enforcement and the Administration of Justice final report (2020).