Mark McClellan, MD, PhD, is director of the Duke-Robert J. Margolis, MD, Center for Health Policy and Senior Fellow and Director of the Health Care Innovation and Value Initiative at the Brookings Institute. A doctor and economist by training, he also has a highly distinguished record in public service and in academic research. Dr. McClellan is a former administrator of the Centers for Medicare & Medicaid Services (CMS) and former commissioner of the U.S. Food and Drug Administration (FDA), where he developed and implemented major reforms in health policy. These include the Medicare prescription drug benefit, FDA’s Critical Path Initiative, and public-private initiatives to develop better information on the quality and cost of care. Dr. McClellan chairs the Reagan-Udall Foundation, is co-chair of the Quality Alliance Steering Committee, sits on the National Quality Forum’s Board of Directors, is a member of the Institute of Medicine, and is a research associate at the National Bureau of Economic Research. He previously served as a member of the President’s Council of Economic Advisers and senior director for health care policy at the White House and was an associate professor of economics and medicine at Stanford University.