court house

Community and public safety psychiatry

R. Gregg Dwyer, M.D., Ed.D.

Dr. Gregg Dwyer received a Bachelor of Science in Sociology from the University of the State of New York, Master of Arts in Management from Webster University, Doctor of Education from Virginia Tech, and Doctor of Medicine from the University of Arkansas for Medical Sciences.  After serving in the U.S. Navy, he was commissioned a civilian special agent with the United States Naval Criminal Investigative Service (NCIS), serving in field, headquarters, operational, and staff positions.  His experience includes criminal investigations, special operations, foreign counterintelligence, special protection & antiterrorism, training, research & development, and critical incident peer counseling.  He has held academic appointments in criminal justice programs at Montgomery College in Maryland, Northern Virginia Community College and the University of Arkansas at Little Rock and has been on the faculty of the U.S. Department of Justice (USDOJ) National Advocacy Center and National College of District Attorneys.

He is an Associate Professor in the Medical University of South Carolina (MUSC) Department of Psychiatry and Behavioral Sciences, where he is Director of Forensic Psychiatry and Director of the Sexual Behaviors Clinic and Lab.  Dr. Dwyer is board certified in General, Child & Adolescent, and Forensic Psychiatry and is an American Association of Sexuality Educators, Counselors and Therapists certified Sex Therapist and a Clinical Sexologist Diplomate of the American Board of Sexology.  He has provided general and case specific consultation including sexual behavior evaluations to various state government agencies including attorney generals and state police, probation, mental health, and juvenile justice departments, private attorneys, and individual public and private mental health clinicians.

As a consultant to a federal agency, Dr. Dwyer assisted in the formation of their peer support team, designed, developed and conducted their first peer team training course, participated in screening and selecting their peer members, and has provided instruction on stress management and mental health to their personnel throughout the U.S.  He consults with federal, state and local criminal justice system professionals working Internet crimes against children cases for mental health support and has provided to them instruction on preventing and managing stress related to the investigation and processing of child exploitation evidence.  Dr. Dwyer has consulted on the development of a promotion process for a city police department and as a sworn criminal investigator was a charter member of a federal law enforcement agency peer support team for whom he also co-authored their original briefing and training video on peer support and critical incident stress management.  For a state level law enforcement employees’ assistance program, he provides mental health support to sworn and support personnel for officer-involved shootings and other critical events.  Dr. Dwyer participates in state sponsored post critical incident seminars for law enforcement personnel and post deployment seminars for National Guard and other military members.  He also conducts fitness-for-duty evaluations for law enforcement and health care professionals including for licensing boards. 

Dr. Dwyer has received federal, state and private research grant funding, presented nationally and internationally, and published peer-reviewed articles and book chapters.  His clinical, consulting, research, presentation, and teaching focus areas are human sexual behavior including paraphilias and problem and offending behaviors, law enforcement stress prevention and management, and impact on criminal justice personnel of working investigations of crimes against children.  He is a peer reviewer and on the editorial boards of several journals.  He has received fellowship awards from multiple national associations and serves on the committees of both national and international professional associations.


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