Vitali Klitschko

Vitali Volodymyrovych Klitschko is a Ukrainian politician and former professional boxer. He currently serves as Mayor of Kyiv and head of the Kyiv 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 won multiple world heavyweight championships. He held the WBO title from 1999 to 2000, the Ring magazine title from 2004 to 2005, and the WBC title twice between 2004 and 2013. Overall, Vitali defeated 15 opponents in world heavyweight title fights and made 12 successful title defences. In 2011, Vitali and his younger brother Wladimir Klitschko entered the Guinness World Records as the pair of brothers with most world heavyweight title fight wins.