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Marc O’Brien

Born and raised in Arequipa, Peru, Marc O’Brien completed a master’s from the University of Wisconsin System and a doctorate from Marquette University. His first professional jobs were working as a school psychologist in rural Wisconsin and later for the Milwaukee Public Schools. He has written and lectured on the impact of culture in psychological diagnosis, boundaries in psychotherapy, trauma-informed care, and suicide risk assessment and intervention. Along with his private practice as a licensed psychologist, O’Brien is currently a psychology instructor for the Milwaukee Area Technical College and an assistant professor for the Wisconsin School of Professional Psychology.


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