Robert S. Walker is chairman of Wexler & Walker, Public Policy Associates. As a member of Congress from Pennsylvania’s 16^th District from 1976-1996, Mr. Walker served much of his House career in the Republican leadership. From 1995-1996, he was chairman of the House Science Committee and vice chairman of the House Budget Committee. In 1997, he joined what is now Wexler & Walker, Public Policy Associates. From 1997-2005, he was a board member of the Aerospace, and currently serves on the boards of SpaceDev and of the Zero G Corporation, and is chairman of the Space Foundation. In August 2001, Mr. Walker was appointed by President Bush to be chairman of the Presidential Commission on the Future of the United States Aerospace Industries, which issued its report in 2002. He became a member of the ASEB in 2003.