James "Jim" Wynne (1929–1990) was an American businessperson.
Wynne was born in Dayton, Ohio.[1] He studied at the University of Florida and the Massachusetts Institute of Technology. He started his career at Kiekhaefer Corporation.[2] His work involved Mercury outboard motor testing and participation in a notable 1958 transatlantic voyage with an outboard-powered boat.[2]
During his career, Wynne builit the first turbine-powered Thunderbird, a production boat for Donald Aronow, and the commercial sterndrive propulsion system (1968).[2]
Using his engineering skills in powerboat racing, Wynne won the World Offshore Championship twice and set numerous powerboat records.[2] He later established Wynne Marine, Inc. (1965), a firm known for designing marine vessels.[2]