Vitali Klitschko boxer

Vitaly Volodymyrovich Klitschko (/vɪˈtæli ˈklɪtʃkoʊ/; Ukrainian: Віта́лій Володи́мирович Кличко́, ʋiˈtɑlʲij klɪtʃˈkɔ; born 19 July 1971) is a Ukrainian politician and former professional boxer. He currently serves as Mayor of Kiev and head of the Kiev City State Administration, having held both offices since June 2014. Klitschko is a former leader of the Petro Poroshenko Bloc and a former Member of the Ukrainian Parliament. He became actively involved in Ukrainian politics in 2005 and combined this with his professional boxing career until his retirement from the sport in 2013.As a boxer, Klitschko is a three-time world heavyweight champion, the second-longest-reigning WBC heavyweight champion of all time, has the fifth-longest combined world championship reign in history at 2,735 days, the third-longest individual WBC heavyweight title streak of all time at 9 consecutive defenses, and the fourth-longest combined title streak in the modern heavyweight history at 15 title bouts. He held the WBO title from 1999 to 2000; the Ring magazine title from 2004 to 2005; and the WBC title twice between 2008 and 2013.