Career
He is Governor of Norrbotten County since 1 October 2012. Österberg was Minister for Financial Markets from 2004 to 2006. In 1991, he became municipal commissioner in Skinnskatteberg Municipality.
2004 to 2006, he was Deputy Minister of Finance in the Cabinet of Göran Persson, with responsibility for municipal and financial market issues.
From 2008 to 2011, he functioned as the group leader of the Social Democratic group in parliament.