Background
Yonker, John F. was born on March 30, 1939 in Michigan, United States.
Yonker, John F. was born on March 30, 1939 in Michigan, United States.
Bachelor, Michigan Technology University, 1963.
Mechanic engineer, General Motors Corporation, Saginaw, Michigan, 1963-1992; chief engineer, Advance Vehicle Concepts, Grand Blanc, Michigan, since 1992.
Member Society Automotive Engineers.