Anthony Oluwafemi Olaseni "AJ" Joshua is a British professional boxer. He held the unified heavyweight championship twice between 2017 and 2021. He also held the International Boxing Organization (IBO) title during his reigns as champion. At regional level, he held the British and Commonwealth heavyweight titles from 2015 to 2016.
As an amateur, Joshua represented England at the 2011 World Championships, winning the super-heavyweight silver medal. He also represented Great Britain at the 2012 Olympics, winning gold. In 2014, a year after turning professional, he was named Prospect of the Year by The Ring magazine.
In 2017, his victorious fight against Wladimir Klitschko was named Fight of the Year by The Ring and the Boxing Writers Association of America.