- Teacher of Mathematics and Biology at Clara-Schumann-Gymnasium Bonn
- State examinations I and II in Mathematics, Biology and Pedagogics to teach at secondary school level and conduct school leaving examinations (University of Bonn, University of New South Wales, Sydney)
- Participant in several courses and specific trainings to further new skills in teaching in the following fields
- Didactics and teaching methodology
- Child development
- Education law for secondary schools
- School administration
- Using digital tools for teaching
