President, New York Academy of Medicine; Professor Emeritus of Public Service, Health Policy and Management, Robert F. Wagner Graduate School of Public Service, New York University; Clinical Professor of Pediatrics, New York University Medical School; Co-Director, National Program Office of the Robert Wood Johnson Foundation Health and Society Scholars Program. Former Dean, Robert F. Wagner Graduate School of Public Service, New York University. Former positions with U.S. Department of Health and Human Services: Acting Assistant Secretary for Health and Principal Deputy Assistant Secretary for Health. Director, King's Fund College, London; International Fellow, Comparative Health Systems Management, King's Fund College. Former positions with New York City Health and Hospitals Corporation: President, Pediatrics Professor, Physician.