Former WBC heavyweight champion who became leader of the political party UDAR of Vitaliy Klychko. He compiled a career record of 45-2 before retiring to go into politics.
He was originally an amateur kickboxer who was knocked out by a spin kick to the jaw in 1992.
He became the first professional boxing world champion to hold a PhD degree.
He married former model and athelte Natalia Egorova in 1996.
He developed a close friendship with chess champion Vladimir Kramnik.