Stenographer to late Major John Wesley Powell, on geological survey of Rocky Mountains, 1877-1879. Private secretary to President Garfield, 1880-1881. Member United States Geological Survey, 1882-1885, assistant geologist, 1888-1889.
Expert Bering Sea Arbitration, 1891-1893. Superintendent N. American Commercial Company, Alaska, 1894-1899. Assistant secretary U.P. and S.P. railway systems, New York, 1899-1902.
Assistant to the president Long Island Railroad Company, 1902-1904. Manager railroad department Fisk & Robinson, bankers, New York, 1905.