Gianni Pirelli is a Licensed Psychologist in New York and New Jersey, wherein he maintains a private practice in clinical and forensic psychology. His primary areas of research include forensic mental health assessment, firearm-related matters, and ethics and standards of practice in forensic psychology.
Robert A. Beattey is a former prosecutor and civil litigator. He is an Enhanced Chancellor's Fellow in the Psychology Ph.D. program at John Jay College of Criminal Justice and The Graduate Center, City University of New York, where he has been studying, teaching, and researching clinical and forensic psychology and neuropsychology.
Patricia A. Zapf is a Professor in the Department of Psychology at John Jay College of Criminal Justice, The City University of New York, and Director of Education and Training for Consolidated Continuing Education and Professional Training (CONCEPT). She maintains a private practice in forensic evaluation and is licensed in Alabama, Florida, Missouri, and New York.