Background
Winfield, Michael D. was born in 1939.
Winfield, Michael D. was born in 1939.
Bachelor of Science in Chemical Engineering, Ohio State University. Master of Business Administration, University Chicago.
Chemical engineer Universal Oil Products, Des Plaines, Illinois, 1962-1974, manager refinery projects, 1974-1976, assistant director technical services, 1976-1981, director business development, 1981-1983, vice president technical services, 1983-1984, vice president process services, 1984-1992, president, Chief Executive Officer, since 1992.