[1] He was formerly an executive vice president at the Brookings Institution, where he was also Director of the Economic Studies Program, and the Joseph A. Pechman Senior Fellow.
[2] On June 12, 2022, Gayer was appointed acting president of the Brookings Institution following the resignation of John R. Allen that same day.
[4] He served as Deputy Assistant Secretary for Microeconomic Analysis at the Treasury Department from 2007 to 2008, and was a senior economist on the Council of Economic Advisers from 2003 to 2004.
[4] From 1999 to 2001, Gayer was a Robert Wood Johnson Scholar in Health Policy Research at the University of California, Berkeley.
He also co-edited (with W. Kip Viscusi) the two-volume Classics in Risk Management and co-authored (with Harvey Rosen) the 8th and 9th editions of the textbook Public Finance.