Steam expert Carnegie Steel Company, 1908-1912. Member of faculty Yale Engineering school and construction engineering, 1912-1915. Supervisor power United Paperboard Company, 1915-1918.
Engineer Stanley Motor Carriage Company, and Standard Engineering Company, 1918-1921. Professor automative engineering, Purdue University, 1921-1926. Construction engineering N.W. Engineering Company, Dulany Trust, 1926-1931.
Research engineer Chrysler Corporation, also vice-president, director Airtemp. div., dean Chrysler Institute Engineering, 1931-1950. Engineering consultant, 1950-1955.