1998 – 2004: Teacher / Deputy in Hamburg / Germany

1998 – 2000: Teacher at „Gymnasium Hochrad“ in Hamburg-Othmarschen for Mathematics, Physics and Computer Science (Informatik); bilingual teaching: „Physics in English“

2000 – 2004: Deputy Headmaster and Teacher at „Gymnasium Altona“ in Hamburg-Altona; responsible for timetables and organization