Deontay Leshun Wilder (; born October 22, 1985) is an American professional boxer. He held the WBC heavyweight title from 2015 to 2020, making 10 successful defenses. By winning the title, Wilder became the first American world heavyweight champion since 2007, which was the longest period of time in boxing history without an American heavyweight champion. As of November 2021, he is ranked as the world's third-best active heavyweight by ESPN, fourth by The Ring magazine, and fifth by BoxRec and the Transnational Boxing Rankings Board.Wilder had a late start to boxing, taking up the sport at 20 years of age. As an amateur, he won a bronze medal in the heavyweight division at the 2008 Olympics. This led to his nickname of "The Bronze Bomber", which Wilder coined after Joe Louis, who was known by the nickname of "The Brown Bomber".