John F. Cogan, PhD

Lead Independent Director, Gilead Sciences


John F. Cogan, PhD joined Gilead's Board of Directors in July 2005 and was appointed Lead Independent Director in May 2013. Dr. Cogan is currently the Leonard and Shirley Ely Senior Fellow at the Hoover Institution at Stanford University. Dr. Cogan's current research is focused on U.S. budget and fiscal policy, health care and social security. Dr. Cogan has held a number of positions in the U.S. government, including Assistant Secretary for Policy in the U.S. Department of Labor and Associate Director and Deputy Director in the U.S. Office of Management and Budget. Dr. Cogan is a trustee of the Charles Schwab Family of Funds.