Forward who joined Stoke City in 2013 after previously playing for Inter Milan, Werder Bremen and Twente. In 2017, he signed with West Ham United.
He entered the youth system of Floridsdorfer AC in 1995.
He made his first appearance with the Austrian national team in 2008 and later helped them qualify for UEFA Euro 2016.
He had two daughters named Emilia and Alicia with his wife Sarah.
He joined Matthew Etherington on Stoke City in 2013.