Walker served as the first President and CEO of the Peter G. Peterson Foundation. Previously, he served as the seventh Comptroller General of the United States and head of the U.S. Government Accountability Office (GAO) for almost ten years (1998-2008).

David R.\n\n Little occupies the position of Chairman, President & Chief Executive Officer at DXP Enterprises, Inc. and Chairman, President & Chief Executive Officer for SEPCO Industries, Inc., President & Director at Precision Industries, Inc.