Biography: Matthew Kai Stonie (May 24, 1992) is an American competitive eater and YouTuber. Stonie won the 2015 Nathan's Hot Dog Eating Contest, beating 8-time defending champion Joey Chestnut among others. Stonie has gained fame from his YouTube channel, to which he uploads video footage of his eating challenges. Description above from the Wikipedia article Matt Stonie, licensed under CC-BY-SA, full list of contributors on Wikipedia.