Gregor Schlierenzauer (born 7 January 1990) is an Austrian former ski jumper who competed from 2006 to 2021. He is one of the most successful ski jumpers of all time, having won the Ski Jumping World Cup overall title, the Four Hills Tournament, and Nordic Tournament twice each; the Ski Flying World Cup overall title three times; as well as four medals at the Winter Olympics, twelve at the Ski Jumping World Championships, and five at the Ski Flying World Championships.