With Lee Higginson Company, investment bankers, Boston, 1923-1926. Foreign service officer, 1927-1961. Vice consul. Prague, 1929, consul, 1930.
London Naval Conference, 1930. Secretary delegation to International Technology Cons. Committee on Radio Communication, Copenhagen, 1931.
Assistant to under-secretary state, 1931-1935. Divisional assistant, 1935. 2d secretary, Prague, 1936-1938.
London, 1938-1940, Dublin, 1940. American Legation (later Embassy), Port-au-Prince, Haiti, 1941. 1st secretary American Embassy, Rio de Janeiro, Brazil, 1944, The Hague, Netherlands, 1946.
Counselor American Legation, Dublin, Ireland. 1947-1949. Manila, Philippines, 1949-1951. Faculty National War College, Washington, 1951-1952.
Foreign service inspector, 1953. Deputy assistant secretary general for political affairs North Atlantic Treaty Organization, Paris, 1952-1955. Counselor of embassy and minister American Embassy, Havana, 1955-1957.
Ambassador to Luxembourg, 1957-1960. With United States delegation United Nations Conference for International Organisation, San Francisco, California, 1945.