Zhang Zhilei, born in 1983, is about to celebrate his 40th birthday. He won a silver medal in boxing at the Beijing Olympics in 24 and turned professional in 2008.
His ultimate goal is to become the King of Fighters of Fighters. He took his first boxing match from his first amateur period in 1998 to his 2008 Olympic runner-up finish. He is now the WBO heavyweight transitional world champion, and also won the right to forcibly challenge the official WBO champion Usyk.