From Wikipedia.
Lin Dan (born October 14, 1983 in Longyan, Fujian) is a professional badminton player from China.
He is a two-time Olympic champion, four-time world champion and five-time All England champion.
Widely considered to be the greatest badminton player of all time, Lin had completed the Super Grand Slam by 28, having won all nine major titles in world badminton: Olympic Games, World Championships, World Cup, Thomas Cup, Sudirman Cup, Super Series Masters Finals, All England Open, Asian Games and Asia Championships, the only player to achieve this feat.
Lin Dan also became the first men's singles player to retain the Olympic gold medal by winning in 2008 and defending his title in 2012.
He has been nicknamed Super Dan by his fans.
Lin has played badminton since he was five.
He joined his national badminton squad at 13.
He is married to former world champion Xie Xingfang.