After World War II, during which Bundy served as an intelligence officer, in 1949 he was selected for the Council on Foreign Relations. He worked with a study team on implementation of the Marshall Plan. He was appointed a professor of government at Harvard University, and in 1953 as its youngest dean of the Faculty of Arts and Sciences, working to develop Harvard as a merit-based university. In 1961 he joined Kennedy's administration. After serving at the Ford Foundation, in 1979 he returned to academia as professor of history at New York University, and later as scholar in residence at the Carnegie Corporation.