2007 first teacher exam (similar to "Master of Education") for upper secondary schools with the subjects Physics and German
01.07.2007 - 30.10.2010 research assistant at the Institute for Science Education - Physics Education Group (IDN) at the University of Bremen.
July - Sept. 2009: Visiting Researcher at the Curtin University of Technology, Perth, Australia, group Prof. Dr. David Treagust
October 2010: PhD (Dr. rer nat.) "summa cum laude" in science education: "Communication compentence in physics: Modelling and diagnostics" ("Physikalische Kommunikationskompetenz. Modellierung und Diagnostik"), reviewers Prof. Schecker, University of Bremen, and Prof. Labudde, Fachhochschule Nordwestschweiz (Switzerland)
01.11.2010 - 30.04.2012: in-service teacher training ("Referendariat") Hermann-Böse-Gymnasium Bremen, guest researcher the Institute for Science Education - Physics Education Group (IDN).
2012: Second teacher exam for upper secondary schools ("Gymnasium")
since 1.05.2012: Postdoc at IDN, head of the project "Profile-P"
01.05.2012 - 30.03.2013: 1.5.2012 - 30.03.2013: stand-in professorship for physics education at the University of Osnabrück
01.10.2013 - 30.03.2014: 1.10.2013 - 30.03.2014: stand-in professorship for education at the University of Kassel
1.03.2014: calls to chair for Physics Education at the university of Augsburg (rejected)
05.04.2017: Habilitation (venia legendi) for physics education and appointed to Privatdozent (associate professor) at the University of Bremen LI>
since 1.10.2020: Full Professor for physics education an the University of Paderborn LI>
Uni Bremen
