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. Culhane's primary expertise is in the field of homelessness and assisted housing. From July 2009 ‚ June 2018 he served as Director of Research at the National Center on Homelessness Among Veterans, an initiative of the U.S. Department of Veterans Affairs.  He is currently working with multiple states and counties to address the problem of homelessness among seniors and people with disabilities.  He is a leader in the integration of administrative data for research and directs Actionable Intelligence for Social Policy (AISP), a center that promotes the development of integrated data systems by state and local governments for policy analysis and systems reform.  The AISP network consists of 43 states and large counties that link administrative data across education, housing, workforce, justice, health, and social service programs.