William Wayne Winpisinger (December 10, 1924 – December 11, 1997) was the eleventh International President of the million-member International Association of Machinists and Aerospace Workers from 1977 until his retirement in 1989. Well-read in the economics, history and mission of the American labor movement, he was a forceful and articulate spokesman for organized labor and was often invited to testify before House and Senate committees on legislation affecting working people. During his twelve years as IAM President, he substantially expanded the union's human rights, community services, job safety, public relations and organizing programs.
"Wimpy," as he was known, was born in Cleveland, Ohio, the son of Joseph "Joe Winnie" Winpisinger, a journeyman printer with The Plain Dealer, and Edith (Knodel) Winpisinger. He was President of his freshman class at John Marshall High School on Cleveland's West Side, but he left highschool before graduating. He enlisted in the U.S. Naval Reserve on October 14, 1942. Testing by the Navy revealed leadership potential, and he was assigned to the Navy V-12 Program, designed to provide a college-level education to potential junior officers. He left the program after several months and was transferred to the USS LST 310 where he served as a motor mechanics mate. He saw action as a crew member of the LST 310 in the invasion of Sicily and the D-Day invasion at Normandy, where the ship landed troops on Easy Green beach.
Discharged from the Naval Reserve on July 15, 1947, Winpisinger returned to Cleveland where he worked as a "gypsy mechanic," repairing automobile transmissions at local service stations. He married Pearl Foster (born January 15, 1927, in Cleveland, Ohio) on July 16, 1946.
He secured a job as a mechanic at Lake Buick, a dealership on Lavern Avenue on Cleveland's West Side, and on July 15, 1947, obligated to Local Lodge 1363 of the International Association of Machinists and Aerospace Workers. Within six months he was elected shop steward by his fellow union members. He was elected Recording Secretary of Local Lodge 1363 in 1948, and President of the Lodge in 1949.