Glenn Hubbard, a former chairman of the President's Council of Economic Advisers, is currently the dean of Columbia Business School. He specializes in public and corporate finance and financial markets and institutions. He has written more than ninety articles and books, including two textbooks, on corporate finance, investment decisions, banking, energy economics, and public policy. He has served as a deputy assistant secretary at the U.S. Treasury Department and as a consultant to, among others, the Federal Reserve Board and the Federal Reserve Bank of New York.