Background
Greenfield, Seymour Stephen was born on July 9, 1922 in Brooklyn. Son of Herman and Yetta (Silfen) Greenfield.
Greenfield, Seymour Stephen was born on July 9, 1922 in Brooklyn. Son of Herman and Yetta (Silfen) Greenfield.
Student, New York University, 1939-1940; B.Mech. Engineering, Polytechnic Institute New York, 1943.
Engineer, Percival R. Moses Associates, New York City, 1946-1947; senior engineer and associate, Parsons, Brinckerhoff, Quade & Douglas, New York City, 1947-1964; partner, Parsons, Brinckerhoff, Quade & Douglas, New York City, since 1964; Chairman of the Board, Parsons, Brinckerhoff, Quade & Douglas, New York City, 1979-1990; chairman emeritus, Parsons, Brinckerhoff, Quade & Douglas, New York City, since 1990. Adviser Manhattan College, New York City, 1974— member development council Texas A&MSch. Architecture, 1981; chairman transportation advising committee to President of Polytechnic Institute New York, 1985.
Board directors New York chapter March of Dimes, 1989. Served to lieutenant United States Naval Reserve, 1944-1946. Fellow Poltechnic University of New York.
Member Society of America Military Engineers (national president 1977, director since 1975, president New York City post 1974-1975), National Academy Engineering Building Research (member advisory board since 1972), New York City of C. and Industry (vice chairman Transportation Council since 1973), New York State Society Professional Engineers, American Society of Mechanical Engineers, American Society Heating, Refrigerating and Air Conditioning Engineers, Moles (president 1986, trustee, chairman council on transportation, New York City).
Married Eleanor Levy, October 30, 1949 (deceased 1987). Children: Meryl Joy, Bruce Howard. Married Judith A. Abrams, 1990.