Gary David Cohn is an American business leader who served as the 11th Director of the National Economic Council and chief economic advisor to President Donald Trump from 2017 to 2018. He managed the administration’s economic policy agenda. Before serving in the White House, Cohn was President and COO of Goldman Sachs, where he worked for more than 25 years. Cohn was appointed vice-chairman of IBM on January 5, 2021.