Began with Chester (Pennsylvania) Pipe & Tube Company, 1893. With John Wanamaker, Philadelphia, 1898. President Newhall & Company, Baltimore, 1900-1907.
Partner East. B. Smith & Company, Philadelphia, 1910-1920.
President Philadelphia & Western Railway, 1910-1922. Partner Drexel & Company, Philadelphia, 1922-1936, J. P. Morgan & Company (New York City), Morgan, Grenfell & Company (London), and Morgan & Cie (Paris), 1929-1936.
Financial vice president Penn Mutual Life Insurance Company, 1937-1943. Director The Pennsylvania Railroad Company.
Director Pennsylvania Company, 1938-1945.
Trustee Estate of H. H. Houston, Philadelphia Lieutenant commander United States Naval Reserve Force, World War I. With mining squadron, American Expeditionary Force.
Clubs: Philadelphia, Union League.
Married Honora Guest Blackwell, May 28, 1898. Children: Blackwell, Campbell, Charles Mercer.