Paul A. Toro is Professor of Psychology at Wayne State University in Detroit. He was President of the Society for Community Research and Action (Division 27, Community Psychology, of the American Psychological Association) in 2003-04. He and his Research Group on Homelessness and Poverty have conducted a wide range of studies on homelessness over the past two decades, including studies on homeless adults, families, and youth. His studies have compared homeless to matched housed samples; assessed prevalence, media coverage, and public opinion; evaluated interventions; tested social psychological theories; collected data across nations; and followed large samples in longitudinal designs.