Background
Leonard, Charles E. was born in 1936.
diversified financial services company executive
Leonard, Charles E. was born in 1936.
With E.I. Du Pont De Nemours, New York City, William E. Hill, New York City, Dun & Bradstreet Corporation, New York City, 1971-1986, Verenigde Nederlandse Uitgeverijen Business Information Services Incorporated, New York York City, since 1986, president, since 1991.