- Teacher of English and Geography at Clara-Schumann-Gymnasium Bonn
- State examinations I and II in English, Geography and Pedagogics to teach at secondary school level and conduct school leaving examinations (University of Bonn)
- Certificate to teach Physics at secondary schools (lower to upper intermediate level)
- Certificate to teach Religious Education at secondary schools (lower to upper intermediate level), official vocation given by EKiR (Evangelische Kirche im Rheinland)
- Participant in several courses and specific trainings to further new skills in teaching in the following fields
- Didactics and teaching methodology
- Child development
- Sustainable development
- Field trips and school outings
- using digital tools for teaching