Mark B. McClellan, MD, PhD, is a doctor and an economist whose work has addressed a wide range of strategies and policy reforms to improve health care, including payment reforms to promote better outcomes and lower costs, methods for development and use of real-world evidence and approaches for more effective drug and device innovation.

McClellan is a former administrator of the Centers for Medicare & Medicaid Services (CMS) and former commissioner of the US Food and Drug Administration (FDA), where he developed and implemented major reforms in health policy. McClellan has served as a member of the President’s Council of Economic Advisors and as deputy assistant secretary of the Treasury for Economic Policy. He was also a Senior Fellow at the Brookings Institution and a professor of economics and medicine at Stanford University where he directed the Program on Health Outcomes Research.