Background
Diefenbach, William Stephen was born on September 19, 1928 in Brooklyn. Son of William T. and Madeleine J. Diefenbach.
management consulting company executive
Diefenbach, William Stephen was born on September 19, 1928 in Brooklyn. Son of William T. and Madeleine J. Diefenbach.
Bachelor of Science in Engineering, Cornell University, 1950. Master of Science in Education, Cornell University, 1951. Postgraduate, University Buffalo, 1954.
Postgraduate, University Michigan, 1957.
Personnel director, Philco Basic Research Company, Blue Bell, Pennsylvania, 1960-1962; associate, McKinsey and Company, Inc., New York City, 1962-1966; director analysis, planning, John Wiley and Sons, Inc., New York City, 1966-1975; senior associate, Louis A. Allen Association, Inc., Palo Alto, California, 1975-1978; director corporation consultant, AMAX Coal Company, Inc., Greenwich, Connecticut, 1980-1983; president, The Greenwich Cons. Group, Old Greenwich, Connecticut, since 1978.
Member Institute Management Consultant (life), Planning Forum (chairman Westchester-Fairfield senior planning group 1982-1994, emeritus life associate), International Sand Collectors Society (president).
Married Karolyn Bardin.