Airplane designer Curtiss-Wright Company and Ford Motor Company, 1929. Research engineer Pioneer Instrument Company, 1931. Research engineer, assistant to vice president Sperry Gyroscope Company, 1932-1947.
Technical advisory French Air Ministry, 1935. Vice president in charge engineering Lord Manufacturing Company, Erie, Pennsylvania, 1947-1952. Experimental consultant Research and Development Board, since 1952.
Vice president Unitec, Incorporated, Boston, since 1957.