General International Student Service, Geneva, Switzerland, 1925-1934. Director High Commn; chief Division International Orgn. Director Office United Nations Economics and Social Affairs, 1949, Office International Economics and Social Affairs, 1954-1962.
Assistant secretary state, 1965-1971, ret. Assistant secretary United States Group, Dumbarton Oaks Conf. Expert United States Delegation, San Francisco, 1945.
Delegate governing body International Labor Organization, Mysore, India, 1951. Delegate General Conf. Delegate United Nations Industrial Development Organization Indsl.
Delegate International Middle Level Manpower Conf. Delegate United Nations Slavery Conf. Editor: The University in a Changing World, 1932.