Bank clerk Brown Brothers & Company, 1919-1926. Cutting traveling fellowship, Columbia University, 1927-1928. Assistant professor economics, Brown U., 1928-1936, associate professor, 1936-1940, professor political economy, 1940-1943.
Senior staff, Brookings Institution, since 1946. Collaborator Economics, Financial and Transit Department, League of Nations, 1941, 42. Economics Studies Division, Department of State, 1943-1944, Central Secretariat 1944-1946.
Member of staff Commision on Foreign Economics Policy, 1954. V. chairman, department church and economics life National Council of Churches.