| 2002 - today | Full Professor, Chair for Software Engineering for Business Information Systems (sebis), Department of Informatics, Technical University Munich, Germany |
| 2021 - today | Academic Program Director, BSc & MSc Information Engineering, Technical University Munich, Germany |
| 2021 - today | Academic Program Director, Blockchain and DLT Manager, Technical University Munich, Germany |
| 2009 - 2010 | Member of the University Teaching Board, Technical University Munich, Germany |
| 2003 - 2010 | Dean of Studies, Department of Informatics, Technical University Munich, Germany |
| 2019 - today | Co-Founder and First Chairman of the Association, Blockchain Bayern e.V., Munich, Germany |
| 2018 - 2021 | Co-Founder and Non-Executive Director, Tr8cy Ltd, UK |
| 2003 - 2015 | Co-Founder, 20six AG, UK, France, Netherlands, Germany |
| 1999 - 2018 | Co-Founder and Chairman of the Board, InfoAsset AG, Germany |
| 1996 - 2019 | Co-Founder and Chairman of the Board, CoreMedia AG, Germany, USA |
| 1997 - 2002 | Professor for Computer Science (C3), Technical University Hamburg-Harburg, Germany |
| 1993 - 1997 | Assistant Professor, Department for Computer Science, Hamburg University, Germany |
| 1992 - 1993 | Visiting Scientist, Digital Equipment Systems Research Center, Palo Alto, California, USA |
| 1992 | PhD in Computer Science, Hamburg University, Germany |
| 1990 - 1992 | Research Assistant, Hamburg University, Germany |
| 1988 - 1989 | Research Assistant, Johann Wolfgang Goethe-Universität, Frankfurt, Germany |
| 1988 | Diploma in Computer Science with Physics Mintor, Johann Wolfgang Goethe-Universität, Frankfurt, Germany |
| 1982 - 1983 | Military Service, Germany |
| 1981 | Abitur Bischof Neumann Gymnasium, Königstein im Taunus, Germany |
| 1963 | Born in Frankfurt am Main, Germany |