Wladimir Klitschko (Ukrainian: Володимир Кличко, Volodymyr Klychko, ; English: /ˈvlædɨmɪər ˈklɪtʃkoʊ/; born 25 March 1976) is a Ukrainian heavyweight boxer. Klitschko is the unified IBF, WBO, IBO and Ring Magazine Champion of the world. His older brother, Vitali Klitschko, is the current WBC world heavyweight champion.
Klitschko was born in Semipalatinsk, Kazakh SSR (now Kazakhstan). Though a major celebrity in his former adopted home of Germany, he moved with his older brother Vitali to Beverly Hills in 2004. Their father, Vladimir Rodionovich, was a Soviet Air Force Colonel. Their mother is Nadezhda Ulyanovna.
In the summer of 1996, Klitschko finished Pereyaslav-Khmelnitsky Pedagogical Institute (Ukraine) and was accepted in the postgraduate study program of Kiev University. On 18 January 2001 in a conference hall of Kiev University of physical science and sports, Klitschko presented his doctoral dissertation and was awarded a Ph.D. in Sports Science. Klitschko speaks four languages: Ukrainian, Russian, German and English. At the beginning of his professional career, he began spelling his name Wladimir. The Ukrainian version of his name is Volodymyr (Володимир), which in Russian is Vladimir (Владимир).