Trevor Hadley is a Professor of Psychology in Psychiatry at the Department of Psychiatry, University of Pennsylvania and has been Director of the Center for Mental Health Policy and Services Research (CMHSPR) for the past 20 years. He has a secondary appointment in the School of Social Policy and a Senior Fellow of the Leonard Davis Institute of Health Economics. His background as a mental health center director, State Mental Health Commissioner, consultant to public mental agencies, and services researcher gives him a unique perspective on the relationship between policy and services research, and provides him with the understanding to move across the boundaries between public mental policy and research environments. Dr. Hadley has served as a consultant to many states and national organizations and is responsible for conducting a wide variety of mental health service system research projects focusing on utilization, cost, benefits, and staffing of mental health programs. In recent years he has been particularly interested in the impact of financing mechanisms such as managed care on the quality of care delivered in the public mental health system and the issues of homelessness and mental health. Dr. Hadley’s biographical highlights include: serving as Principal Investigator and Co-Principal Investigator on numerous federal and state grants, conducting a wide variety of mental health service system research projects focusing on utilization, costs, benefits, and staffing of mental health programs; serving as a consultant to states and national organizations on mental health services management and systems; serving previously as former Mental Health Center Director and then State Mental Health Deputy Commissioner for the Commonwealth of Pennsylvania and as Commissioner of Mental Health for the State of Maryland.