Martin Stuart Feldstein (November 25, 1939 – June 11, 2019) was a famed American economist renowned for his academic and policy contributions. He held the position of George F. Baker Professor of Economics at Harvard University and served as president emeritus of the National Bureau of Economic Research (NBER), acting as its president and CEO from 1978 to 2008 (with service from 1977-1982 and 1984-2008 noted in some records). Feldstein chaired the Council of Economic Advisers from 1982 to 1984 under President Ronald Reagan and was a member of the Washington-based Group of Thirty starting in 2003. In 1977, he was awarded the John Bates Clark Medal by the American Economic Association for his significant contributions to economic science as an economist under 40. He directed several public corporations, advised businesses and governments in the US and abroad, and was a regular contributor to the Wall Street Journal. Many of his students advanced to prominent roles in academia and public policy. He remained a research associate at the NBER until his death.