Career
Guðjón plays as a striker and stands 1.84m tall. Born in Garðabær, Guðjón began his career in 2003 with Stjarnan. He signed for KR Reykjavík for the 2008 season, before moving to Sweden to play with GAIS in the 2009 season.
Foreign the 2010 season, he returned to KR Reykjavík.
Guðjón made his national team debut in March 2009.