Michael I. Harrison, Ph.D, is a Senior Social Scientist in the Center for Delivery, Organization, and Markets at the Agency for Healthcare Research and Quality (AHRQ). He leads Agency activities in Health System Design, manages and contributes to research in delivery systems across the United States, and conducts research on organizational improvement and implementation of system change. His publications include papers in leading health services research journals, Diagnosing Organizations: Methods, Models, and Processes (Sage, 2005), and Implementing Change in Health Systems: Market Reforms in the United Kingdom, Sweden, and the Netherlands (SAGE, 2004). He has given presentations and led workshops at scientific and professional conferences throughout the United States and Europe.Dr. Harrison holds a Ph.D. in Sociology from the University of Michigan. He was previously a faculty member at the State University of New York (SUNY), Stony Brook, and at Bar Ilan University in Israel; a visiting professor at Boston College and Haifa University; and a visiting scholar at Brandeis University, Georgetown University, Harvard Business School, and the Nordic School of Public Health.