Party affiliation: Republican
Assistant engineer J. B. and J. M. Cornell, iron works, New York, 1884-1886. Architectural engineer W. L. B. Jenny, Chicago, 1886-1890. Engineer and general manager Burnham & Root, architects, 4 years.
Vice-president and general manager (4 years in London. England) and western contracting agent George A. Fuller & Company, Chicago, 1890-1902. Vice-president and western representative Thompson-Starrett Company, building contractors, New York, 1902-1904.
Now president John M. Ewen Company, engrs. and builders, Chicago.