WBA, IBF, WBO, IBO & The Ring Heavyweight Champion who became a dominant force in the heavyweight division in 2005. He won a gold medal at the 1996 Olympics in the super heavyweight class.
He became the longest-reigning IBF, WBO & IBO Heavyweight Champion in history and has the most defenses of those titles.
He suffered an upset loss to Lamon Brewster in 2004.
He began boxing in the early 90's and won the Junior European Championships in 1993.
His older brother Vitali has been the WBC Heavyweight Champion. In October of 2013 it was announced that he was engaged to Hayden Panettiere. On December 9. 2014, he and Panettiere had a daughter named Kaya.