Join Dr. Carlos as he discusses homelessness with Dr. Culhane. Dennis Culhane is the Dana and Andrew Stone Professor of Social Policy at the School of Social Policy and Practice at The University of Pennsylvania, a Senior Research Associate at the Center for Population Studies, and the Director of Research for the National Center on Homelessness among Veterans at the United States Department of Veterans Affairs. Culhane was also named Faculty co-Director for the Cartographic Modeling Lab (CML) after his involvement in the Early Warning Information System (EWIS) for New York City in 1996.