Memberships
- Secretary General of the International Association of Egyptologists
- Full member of the German Archaeological Institute
- Member of scientific advisory board of the the Cairo division of the German Archaeological Institute
- Speaker of the Association of archaeological institutions in Cologne and Bonn
- Deputy speaker of the Research Training Group 1878 “Archaeology of premodern economies”
- Member of the advisory board of the Competence Area IV, University of Cologne
- Member of the steering committee of the Friends of Egyptology in Cologne “Uschebti e.V.”