Sam J. Tsemberis (born March 11, 1949, in Skoúra,Lakonia, Greece) is a Greek Canadian clinical and community psychology practitioner, and the founder and executive director of Pathways to Housing, a Housing First program for individuals with serious mental illnesses, long histories of homelessness, and often co-occurring substance abuse. He is also an Associate Clinical Professor in Psychiatry and Biobehavioral Sciences at the University of Los Angeles California.
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