He was a Joseph A. Schumpeter Research Fellow at Harvard University during 2010-2011 and in 2009 a Visiting Scholar at the Center for European Studies at Harvard University. He lectured at the Universities of Innsbruck (Austria), Luzern (Switzerland) and Munich (Germany). In 2006 he was a Center for Advanced Holocaust Studies Fellow at the United States Holocaust Memorial Museum in Washington, DC. From 2000 to 2011 he worked as historian at the State Archives of Bolzano in Northern Italy.