1. Robert P. Gwinn Professor of Economics, University of Chicago, Chicago, Illinois. He was a member of the Council of Economic Advisers from March 2009 to September 2010, and Chairman of the Council from September 2010 to August 2011.
2. Bendheim Professor of Economics and Public Affairs, Princeton University, Princeton, New Jersey. He was Assistant Secretary for Economic Policy and Chief Economist at the US Treasury Department from 2009 to 2010, and Chairman of the Council of Economic Advisers from November 2011 to August 2013.