Sebastian Kosiorek (born 28 January 1983) is a Polish rower. He competed at the 2004 Summer Olympics and the 2008 Summer Olympics. References 1983 births Living people Polish male rowers Olympic rowers of Poland Rowers at the 2004 Summer Olympics Rowers at the 2008 Summer Olympics People from Ełk Sportspeople from Warmian-Masurian Voivodeship