| 2022-2025: | Dean of the Faculty of Sciences and Medicine of the University of Fribourg |
| 2014-2016: | Head of the Computer Science Department, University of Fribourg
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| from 2010: | Full Professor at the Computer Science Department, University of Fribourg
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| 2009-2010: | Head of the Computer Science Department, University of Fribourg |
| 2008-2009: | Deputy Head of the Computer Science Department, University of Fribourg |
| 2003-2009: | Associate Professor at the Computer Science Department, University of Fribourg |
| 2002-2003: | Senior Lecturer at the Department of Electronics and Computer Science, University of Southampton |
| 2002: | Visitor at the Institute of Foundations of Computer Science, University of Hamburg |
| 1998-2002: | Lecturer at the Department of Electronics and Computer Science, University of Southampton |
| 1998: | Dr. phil. nat. in Computer Science, University of Frankfurt |
| 1996-1998: | Assistant at the Institute for Information Technology, University of Zurich |
| 1995: | Visitor at the Institute Montefiore, University of Liège |
| 1991-1996: | Junior Scientist at the Institute for Telecooperation Technology, GMD – German National Research Centre for Information Technology (today: Fraunhofer Institute) |
| 1991: | Dipl. Inform. (similar to MSc) in Computer Science, University of Frankfurt |