Lennox Lewis, (born 2 September 1965) is a retired boxer and the most recent undisputed world heavyweight champion. He holds dual British and Canadian citizenship. As an amateur he won gold representing Canada at the 1988 Olympic Games after defeating future heavyweight champion Riddick Bowe in the final. Throughout his professional career, Lewis suffered two losses, both of which he avenged in rematches, both by knockout. Lewis won the heavyweight championship three times and was the fifth man to reclaim the lineal championship.