biography of a forensic and clinical psychologist

Dr. Gregory I. Mack, Ph.D., SAP is a New York State Licensed Clinical and Forensic Psychologist and a Substance Abuse Professional. He is Owner/CEO of Clinical, Police, & Forensic Psychological Services PLLC and has been providing clinical treatment and forensic consultancy services for over 20 years.

Dr. Mack is currently the Deputy Director of the NYPD's Psychological Evaluation Section and a retired NYPD Detective Specialist 3rd Grade/Police Psychologist with 20 years of service. He worked in the Midtown North Precinct, the Mounted Unit, and in the Medical Division. Dr. Mack conducted fitness-for-duty evaluations, disability evaluations, pre-employment psychological evaluations, critical incident stress debriefing and counseling services to police officers who were involved in life threatening situations (e.g., shootings, suicide by cop, 9/11 terror attack) and or witnessed tragedies (e.g., police suicide; SIDS deaths). He served as Program Manager /Supervisory Psychologist for the Franklin Deleno Roosevelt (Montrose) Veteran’s Administration Hospital’s Residential Substance Abuse Program and as a Staff Psychologist within the VA’s Residential PTSD Treatment program. He was also a Conductor and a Train Operator for the New York City Transit Authority.

Dr. Mack completed a Master of Arts degree in forensic psychology at John Jay College, and a Master of Arts and a Doctor of Philosophy degree in clinical psychology at St. John’s University. He completed the NYU-Bellevue Clinical Psychology Internship Program with a specialization in Forensic Psychology at Kirby Forensic Psychiatric Center, a 200-bed maximum security forensic hospital. 

Dr. Mack has advanced evidence-based training in the treatment of major depressive disorder, anxiety and posttraumatic stress; he specializes in treating people of color, first responders, military personnel/veterans, teachers, transportation employees and trauma survivors. Dr. Mack also provides safe, confidential treatment to sexual and gender minority patients within the L.G.B.T.Q.I.A.+ communities.

 
Dr. Mack is an Adjunct Professor at Pace University in the Department  of Criminal Justice & Security in  Pleasantville, Dyson College of Arts & Sciences; he is  an Assistant Professor of Psychiatry & Behavioral Sciences at New York Medical College; he is an ad hoc reviewer for Psychology, Public Policy, & Law. 

His research interests include ACE's in First-Responders, Trauma Informed Services, First-Responder Suicide, Police Fatigue, Postpartum Depression in Female

Police Officers, Noble Cause Corruption, False Confessions, Police and Minority Community Relations and Fitness-For-Duty Evaluations in a Post-pandemic Era.

 
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.