David M. Walker is a widely recognized expert on fiscal responsibility and government transformation/ accountability issues. He has over 40 years of executive level experience in the public, private and non-profit sectors, including serving almost 10 years as Comptroller General of the United States and head of the U.S. Government Accountability Office (GAO). He has received Presidential appointments with unanimous Senate confirmation from Presidents Reagan, Bush (41) and Clinton and has held a number of international leadership positions, including with the United Nations. He currently serves as a Distinguished Visiting Professor and Crowe Chair at the U.S. Naval Academy. He is a member of a number of government and non-profit boards and advisory groups, including the Defense Business Board. He is also the author of three past books, including Comeback America: Turning the Country Around and Restoring Fiscal Responsibility (Random House, 2010), which was a National Best Seller.