David Walker

David M. Walker served as the seventh comptroller general of the United States and was the CEO of the U.S. Government Accountability Office (GAO) from 1998 to 2008. Currently the president and CEO of the Peter G. Peterson Foundation, Walker is a frequent speaker, writer, commentator, and congressional witness. He has appeared on a significant number of television networks, cable channels, and radio programs and has written for many major publications.