1. Department of ENT, ACQUA Clinic, Leipzig
2. Centre Management, International Reference and Development Centre for Surgical Technology (IRDC), Leipzig
3. Scientific Director, BMBF-Innovation Center Computer Assisted Surgery ICCAS, Leipzig
4. Vorstand, BMBF-Innovation Center Computer Assisted Surgery ICCAS, Leipzig
5. Lehrstuhl für Mikro- und Medizingerätetechnik (MiMed), Technische Universität München, Garching b. München