Christina Romer is a nonresident senior fellow in the Economic Studies program at Brookings and Professor of the Graduate School and Class of 1957-Garff B. Wilson Professor of Economics Emerita at the University of California, Berkeley, and a research associate of the National Bureau of Economic Research (NBER). She is a specialist in economic history and macroeconomics, and is best known for her work on the causes of the Great Depression, the conduct and effects of macroeconomic policy, and the impact of financial crises. Professor Romer served as chair of the Council of Economic Advisers from January 2009 to September 2010. She was co-director of the Program in Monetary Economics at the NBER from 2003 to 2008 and from 2010 to 2018, and is a member of the NBER Business Cycle Dating Committee. She recently completed terms as president of both the American Economic Association and the Western Economic Association International. Professor Romer graduated from the College of William & Mary and received her Ph.D. from the Massachusetts Institute of Technology. She is a fellow of the American Academy of Arts and Sciences, a distinguished fellow of the American Economic Association, and recipient of the Distinguished Teaching Award from the University of California, Berkeley.