Reporter Journal Commerce, New York City, 1922-1923, railway editor, 1923-1924, financial editor, 1927-1931, managing editor, 1932-1933, editor, 1933-1947. Instructor foreign trade New York University, 1924-1925, instructor finance, 1925-1927, assistant professor finance, 1927-1929, associate professor, 1929-1932, professor, since 1932, faculty graduate school business administration, since 1944, chairman banking and finance department, until 1963, research professor finance, 1963-1964. Cons. economist Savings Banks Trust Company, since 1947.
Technical adviser sub-committee Senate Committee on Banking and Currency, 1930-1931. American correspondent De Telegraaf, Amsterdam, 1935-1941.
Author: The Anthracite Railroads, 1927. Analysis of Railroad Securities, 1928. (with H. P. Willis) Investment Banking, 1929 review edit., 1937.
Corporation Finance, 1930. (with M. Nadler) The Banking Crisis, 1933. The New Tax Program, 1935.
(with M. B. Foster, M. Nadler and R. Rodgers) Money and Banking, 1936. (with J. I. Bogen and Herman E. Kroos) Security Credit, 1960. Editor Financial Handbook, 1952.
Contributor articles on banking, business finance, taxation to The New International Year Book, since 1937.