Lennox Claudius Lewis (born 2 September 1965) is a boxing commentator and former professional boxer who competed from 1989 to 2003. He is a three-time world heavyweight champion, a two-time lineal champion, and held the undisputed championship. Holding dual British and Canadian citizenship, Lewis represented Canada as an amateur at the 1984 and 1988 Olympics; in the latter, he won a gold medal in the super-heavyweight division. In his first three years as a professional, Lewis won several regional heavyweight championships, including the European, British, and Commonwealth titles.
https://en.wikipedia.org/wiki/Lennox_Lewis