Bavarian Ministry of Economic Affairs, Regional Development and Energy, "Förderbank" of Baden-Württemberg, NRW Bank Bavaria since 1979; Baden-Württemberg since 1996; North Rhine-Westphalia since 2007; Saxony since 1994
Bavarian Ministry of Economic Affairs and Media, Energy and Technology, Chamber of Commerce and Industry for Munich and Upper Bavaria January 2017 - December 2017