| since 2017 | Head of the Group for Molecular Immunology in Neurodegeneration |
| 2014-2017 | Group leader, Department for Genomics & Immunoregulation, LIMES-Institute, University of Bonn |
| 2008-2013 | Senior postdoctoral research fellow, Department for Genomics & Immunoregulation, LIMES-Institute, University of Bonn |
| 2005-2007 | Postdoctoral research fellow, Department of Hematology and Oncology, Molecular Tumorbiology and Tumorimmunology, University of Cologne |
| 2002-2005 | Research associate, Department of Hematology and Oncology, Molecular Tumorbiology and Tumorimmunology, University of Cologne |
