| Time |
Position |
| 1987 (summer): |
Systems Engineer, Societe d'editions OUEST France,
Z.I. Rennes, France |
| 1988 - 1990: |
Visiting Scientist, Carnegie Mellon University,
Pittsburgh, Pennsylvania |
| 1990 - 1993 : |
Research Assistant, Institute for Statistics and
Computer Science, University of Vienna |
| 1993 - 1998: |
Assistant Professor, Institute for Software Technology
and Parallel Systems, University of Vienna |
| 1994 (3 months): |
Visiting Scientist, ICASE, NASA Langley Research
Center, Hampton, Virginia |
| 1998 - 2002 |
Associate Professor, Institute for Software Technology
and Parallel Systems, University of Vienna |
| 1999 (2 months): |
Guest professor at the Instituto de Matematica e
Estatistica, Universidade de Sao Paulo, Brasil |
| 2003 (summer term) |
Guest Professor, Institute for Computer Science,
University of Innsbruck |
| 2003 (winter term) - |
Full Professor, Institute for Computer Science,
University of Innsbruck |
| 2014 (summer term) |
Sabbatical at ISI/University of Southern California, Los Angeles, USA and
Oracle Research Lab Australia, Brisbane |