Donald Marron is director of the Urban-Brookings Tax Policy Center based at the Urban Institute. Since joining the Urban Institute in 2009, his research has focused on tax reform and America’s long-run fiscal challenges. From 2002 through early 2009, Donald served in senior posts in the White House and Congress, including as a member of the President’s Council of Economic Advisors, acting director of the Congressional Budget Office, and executive director of Congress’s Joint Economic Committee. He also has taught at the Georgetown Public Policy Institute and the University of Chicago Graduate School of Business, consulted on major anti-trust cases (e.g., Pepsi vs. Coke) and served as chief financial officer of a health care software start-up. Donald aims to popularize economics through his blog www.dmarron.com and by his regular contributions to CNNMoney.com and the Christian Science Monitor. He is editor of 30-Second Economics (2011), a short book that introduces readers to 50 of the most important theories in economics. Donald earned his Ph.D. in economics from MIT.