Assayer, 1899-1901, mill superintendent and metallurgist, 1901-1903, Guanajuato Consolidated Mining & Milling Company. Staff engineer Charles Butters & Company, London, 1903. Metallurgical engineer, Iola Mining Company, 1904.
Manager Montgomery Mining Company, 1905-1908. Superintendent Naval Milling Company, Guanajuato, Mexico, 1908-1912. Consulting metallurgical engineer, Mexico City, 1912.
On editorial staff Engineering and Mining Journal. 1912-1917. manager same. 1917-1918; engineer bureau of Aircraft Production, Air Service, United States Army, Dayton, O., and Washington, 1918-1919.
Engineer Kennedy-Van Saun Manufacturing & Engineering Corporation, New York, 1919-1922. Vice-president and treasurer Crown Oil & Wax Company and North Carolina Oil Corporation, Baltimore, 1922-1926. Vice-president and general manager Corchera International, Seville, Spain, 1926-1935, now practicing as construction engineering.