Susan J. Popkin, Ph.D. is both Director of The Urban Institute’s Program on Neighborhoods and Youth Development and a Senior Fellow in the Metropolitan Housing and Communities Policy Center. A nationally-recognized expert on assisted housing and mobility, Dr. Popkin directs a research program that focuses on the ways neighborhood environments affect outcomes for youth, and in conducting evaluations of complex community-based interventions. She is the Director of the HOST Demonstration and HOST Network and co-Principal Investigator for the evaluation of the Casey Foundation’s Family-Centered...