Gregor Schlierenzauer - Schlieri (born 7 January 1990) is an Austrian ski jumper. He began his senior career in 2005–06 with one win and three additional podiums in the Ski Jumping Grand Prix, and made his World Cup debut in 2005—06 World Cup. Despite his young age, Schlierenzauer has 40 World Cup victories, only Matti Nykänen has won more often. During the 2008—09 World Cup, which he won, he set a series of records, including breaking Janne Ahonen's record of 12 season victories with 13 victories, and also tying Ahonen, Matti Hautamäki and Thomas Morgenstern's record of six consecutive victories. Schlierenzauer also won gold medals, one team medal at 2007 World Championships, and both individual and team medals at the FIS Ski-Flying World Championships 2008 in Oberstdorf. His personal best is 243.5m, jumped in season 2010-2011, in Vikersund, Norway

Gregor Schlierenzauer was born on 7 January 1990 in Innsbruck, Tyrol, to Paul and Angelika Schlierenzauer. The second of three children, he has an older sister, Gloria, and a younger brother, Lukas. His uncle is Markus Prock, the winner of three Winter Olympic medals in men's luge, who settled him a contract with Fischer Skis in 2001 and a few years later with Red Bull. Schlierenzauer is deaf in the left ear from birth. At age eight, Schlierenzauer began training in ski jumping at SV Innsbruck–Bergisel club. He attended an ordinary Austrian grammar school, however, due to tight schedules in both sport and school, he had problems keeping up with his class work. Schlierenzauer then enrolled at Skigymnasium, a ski-sport training center and boarding secondary school in Austria. He currently resides in Fulpmes, Tyrol. Also, he has been dating Sandra Stiegler since 2010.