| since 2013 | Professor and Head of Department of Psychiatry and Psychotherapy, University Medical Center Göttingen and coordinator of clinical research |
| 2007-2013 | Professor at the University of Duisburg-Essen and clinical director of the Department of Psychiatry and Psychotherapy, LVR-Klinikum Essen, Germany |
| 2002-2013 | Head of the research laboratory for molecular neurobiology and neurochemical dementia diagnostics, Dept. of Psychiatry, University of Erlangen-Nuremberg, Germany |
| 1997-2002 | Head of the research group “Molecular Neurobiology and Neurochemical Dementia Diagnostics”, University of Goettingen, Department of Psychiatry, Germany |
