- Regional vocational education board „Bonn-Rhein-Sieg“
- Vocational education board of the chamber of Industry and Commerce „Bonn-Rhein-Sieg“
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Vocational education board Ministry of Interior of the state of North-Rhine-Westphalia
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Examination board at the Cologne regional government
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Taskforce to reorganise vocational training in various vocational colleges at Leverkusen and “Rheinisch-Bergischer-Kreis”
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Federal commission of the ministers of education for the development of curricula
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Commission of the state of North-Rhine-Westphalia to develop teaching
courses of instruction
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Municipal councillor of „Gemeinde Alfter“
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Member of the education board of „Gemeinde Alfter“
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Member of the town planning board of „Gemeinde Alfter“
