1910-1915; superintendent Saco-Lowell Shops, Lowell, Massachusetts, 1915-1918. In charge production, plant engineering, construction and installation United States Cartridge Company, Lowell, Massachusetts, 1918-1919. Works manager Union Carbide and Carbon Corporation, New York, 1919-1922.
Manufacturing manager Vice-President, The Barrett Company, New York, 1922-1931. Financial and executive vice president Sharp and Dohme, Philadelphia, 1931-1938. Labor coordinator Calco Chemical Company, Bound Brook, New Jersey, 1938-1940.
Partner Wallace Clark & Company, consultants in management, New York City, 1940-1943. In private practice as management counsel since 1943. Trustee Lowell Textile School, 1916-1919.
Philadelphia Community Fund, 1933-1938. Director Wentworth Institute, Boston, since 1918.