2022
Fraunhofer Institute for Energy Economics and
Energy System Technology, IEE
Kassel
2022
Goethe-lnstitut / Max Mueller Bhaven,
Kolkata
2019
University Hospital UKB / Parent-Child Centre,
Bonn
2009
State Office for Salaries and Pensions NRW,
Düsseldorf
2009
AMB Generali Holding AG,
Cologne
2006
University of Applied Sciences, Bonn-Rhein-Sieg,
Rheinbach