With United States and Oklahoma Geological Survey in Northeastern Oklahoma, summer 1910. United States Geological Survey, North Dakota and Montana, summer, 1911. Assistant in Oklahoma Geological Survey offices, 1910-1912.
Geologist Cia Mexicana de Petroleo, El Aguila, S.A., 1912-1915. Roma Oil Corporation, Oklahoma and Kansas, 1915-1916. Chief geologist Mexican Gulf Oil Corporation, Mexico, 1916-1917, general agent, 1917-1922.
Assistant to vice president Gulf Oil Companies, New York, 1923-1940. Vice president Gulf Oil Corporation from 1940. Chairman Gulf Eastern Company, from 1954.
Officer various American companies operating Eastern Hemisphere wholly or party owned by Gulf Oil. Director Kuwait Oil Limited company, Eastern Gulf Oil Limited company Iranian Oil Participants, Ltd., Iranian Oil Services, Ltd.) member board of managers Montclair Savings Bank, 1949-1954. Director Inter-American Safety Council, 1943-1945, vice-president, director, 1946-1947.
Director, vice president Montclair Young Men’s Christian Association, 1949-1954. Member Montclair Housing Authority, 1949-1951. Director Venequelan Chamber of Commerce, New York, 1943-1945, president, director 1945-1946.
Director Colombian-American Chamber of Commerce, New York, 1946-1949. Director Pan-American Society, Inc.