Ingrid Tillmann, M.S., M.P.H., is an independent consultant who conducts research and analysis on health policy issues. She was formerly a senior vice president of the Economic and Social Research Institute in Washington, D.C. The primary focus of her 20 years in health policy has been the promotion of quality and accountability in health care. She has written on the subjects of health system reform, quality improvement initiatives, performance measurement, value-based health care purchasing, disease and disability management, alternative delivery models for high-risk patients, and the use of information technology in health care. Ms. Tillmann received an M.S. in nursing from Pace University and an M.P.H. in maternal and child health from the University of North Carolina at Chapel Hill.