Director since March 2012. Mr. Platts retired from the National Geographic Society in 2011 after a 31-year career. He had been Senior Vice President and Treasurer since 1991, responsible for all investment and banking activities. Prior to joining the National Geographic Society in 1980, Mr. Platts served as a trust investment officer with the First American Bank in Washington, D.C. from 1972 to 1978. Mr. Platts currently serves on the boards of B. F. Saul Real Estate Investment Trust, ASB Capital Management, LLC, Chevy Chase Trust Company, the Center for the Study of the Presidency and Congress, the Walter A. Bloedorn Foundation, Washington National Monument Society and the Hattie M. Strong Foundation. He also is the Chairman of the audit committees of ASB Capital Management, LLC and Chevy Chase Trust Company. He is an emeritus board member of Decatur House, a National Trust property. He has served as a director and president of the Washington Society of Investment Analysts and chairman of the American Red Cross Blood Services Mid-Atlantic Region. Through these experiences, Mr. Platts contributes finance, leadership, governance and public policy experience to the Board.