Graduated from University of Fribourg (Switzerland) in 2006, then PhD student at the Department of Education (Fribourg). Visiting Scholar at Stanford School of Education 2008-2009. PhD received in 2010, then postdoc at Tübingen University and Technical University of Munich (2010-2017), including National Project Management to the Programme for International Student Assessment (PISA). Since 2018 Professor in Education at University of Stuttgart.