C. Fred Bergsten (born 1941) is an American economist, author, and political adviser. He has served as Assistant Secretary for International Affairs at the U.S. Treasury Department and has been director of the Peterson Institute for International Economics, formerly the Institute for International Economics, since its founding in 1981. In addition to his academic work he makes his opinions known to the policy making community and engages with the public with television appearanceswriting for influential periodicals such as Foreign Affairs magazineand by writing books.