Oleksandr Usyk

Oleksandr Usyk, born in 1987, is a Ukrainian professional boxer who has been the undisputed world heavyweight champion twice, in 2024 and 2025, after first becoming the undisputed cruiserweight champion in 2018. As an amateur he won heavyweight gold at the 2011 World Championships and the 2012 Olympics. He turned professional in 2013 and won his first world title in 2016. In 2021 he beat Anthony Joshua for the WBA, IBF and WBO heavyweight titles, and in May 2024 he defeated Tyson Fury to claim the WBC belt and the undisputed championship. He is the first male boxer to become a three-time undisputed champion of the four-belt era and the first to hold the titles of all four major sanctioning bodies at both cruiserweight and heavyweight. The Ring and the Boxing Writers Association of America named him Fighter of the Year in 2018 and 2024.