since Oct. 2023: Professor (W2) for Didactics of Mathematics at the University of Passau, Germany
Apr. 2011 – Sept. 2023: Professor (W2) with duties of a Senior Lecturer for Didactics of Mathematics at the University of Passau, Germany
Oct. 2010 – Apr. 2011: Lecturer at the Chair for Didactics of Mathematics at the University of Erlangen-Nuremberg, Germany
Apr. 2010 – July 2010: Adjunct Assistant Professor at the Chair for Didactics of Mathematics at the University of Erlangen-Nuremberg, Germany
May 2009 – Sept. 2010: Assistant Professor at the Chair for Didactics of Mathematics at the University of Augsburg, Germany
Sep. 2007 – Apr. 2009: Assistant Researcher at the Chair for Didactics of Mathematics at the University of Augsburg, Germany
Feb. 2005 – Feb. 2007: Trainee Teacher at college preparatory high school at Hardenberg-Gymnasium Fürth, Germany; Graf-Münster-Gymnasium Bayreuth, Germany; Otto-Hahn-Gymnasium Marktredwitz, Germany
Nov. 2001 – Aug. 2003: Graduate Assistant at the institute for mathematics at the University of Bayreuth, Germany, and University of Applied Sciences Hof, Germany
