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. World heavyweight champion (IBF) from April 9, 2016 to April 29, 2017. Wiki link