Patty Stonesifer

Patricia Q. Stonesifer has been a director of the Company since February 1997. Ms. Stonesifer has been Chief Executive Officer of the Bill and Melinda Gates Foundation since January 2006 and was its President and Co-chair from June 1997 to January 2006. Patty Stonesifer currently serves as the Chair of the Board of Regents for the Smithsonian Institution. As the former CEO of the Bill & Melinda Gates Foundation (1997-2008), Ms. Stonesifer continues her involvement with the Foundation as a Senior Advisor. Prior to helping establish the Gates Foundation, Ms. Stonesifer had a two-decade career in technology, with her latest role as Senior Vice President at Microsoft Corp. Ms. Stonesifer serves as a private philanthropic Advisor and sits on the boards of The Broad Institute and the Center for Global Development. She has also served on the boards of the Seattle Foundation, the GAVI Fund, Debt, AIDS, Trade, Africa (DATA), and ONE. Ms. Stonesifer is a member of the Academy of Arts and Sciences, Council on Foreign Relations and was a member of the U.S. delegation to the United Nations General Assembly Special Sessions on AIDS. In July 1996, Time Magazine named her as one of the 25 Most Influential People in America. Ms. Stonesifer holds a B.G.S degree from Indiana University and honorary degrees from both Indiana University and Tufts University.