biography of a forensic and clinical psychologist

Gregory I. Mack, Ph.D., is a New York State licensed clinical and forensic psychologist and Co-Founder of the Institute for Trauma-Informed Public Safety & Education (I-TIPSE), Inc., a 501(c)(3) organization dedicated to integrating trauma-informed, neurocognitively grounded, and ethically driven practices into public safety and educational systems. He is also Owner/ Chief Executive Officer of Clinical, Police, & Forensic Psychological Services PLLC, a private forensic consultancy practice. Dr. Mack is an Adjunct Professor in the Department of Criminal Justice and Security at Pace University and has more than 28 years of clinical and forensic psychology experience. He began his law enforcement career over 40 years ago with the NYPD as a Police Officer, Detective Specialist, and a Uniformed Police Psychologist. He is co-author of the 2026 Journal of Forensic Sciences article, “Enhanced Trauma-Informed Policing (E-TIP): A Neurocognitive, Organizational, and Leadership Framework for Advancing Officer Wellbeing and Public Safety.” His professional and research interests include moral injury, vicarious trauma, PTSD, police suicide, human performance, enhanced trauma-informed policing, fitness-for-duty psychological evaluations.

 
Dr. Mack is a member of several professional organizations including: the American Psychological Association; the American Academy of Forensic Sciences; the Police Psychological Services Section of the International Association of Chiefs of Police; the Detectives Endowment Association; and the National Black Police Association. He is also member, and former board member of the New York Association of Black Psychologists.