Dr. Carl Castro

Dr. Carl Castro

Professor of Social Work & Retired Army Colonel
University of Southern California

Military psychologist, retired Army colonel with 33 years of service, and pioneer of research on the psychological effects of combat and military-to-civilian transition.

About Dr. Carl Castro

Dr. Carl Castro is a Professor at the University of Southern California's Suzanne Dworak-Peck School of Social Work and a retired U.S. Army colonel with a distinguished 33-year military career. He served as the Director of the Military Operational Medicine Research Program at the U.S. Army Medical Research and Materiel Command, overseeing research aimed at optimizing soldier performance and resilience under combat conditions. His work has been instrumental in shaping military behavioral health policy at the highest levels of government.

Dr. Castro has authored more than 150 scientific publications on topics including the psychological effects of combat, the unique challenges of military-to-civilian transition, unit cohesion, and organizational factors that influence service member well-being. He has testified before Congress and advised senior military and civilian leaders on evidence-based approaches to mental health care for the armed forces. His dual perspective — as both a soldier and a scientist — gives his work an unusual depth and credibility that has made him one of the most respected figures in military psychology.

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