Debra J. Rog, Ph.D., is a Senior Research Associate with the Center for Evaluation and Program Improvement (CEPI), and directs its Washington office. She has over 25 years of experience in program evaluation and applied research and has directed numerous multi-site evaluations and research projects involving issues of poverty, homelessness, housing and services for vulnerable populations including children and families, mental health, and others. Currently, she is the Principal Investigator of a Coordinating Center for the Substance Abuse and Mental Health Administration's Homeless Families In...