Professor at Humboldt-Universität, Member of the European Academy of Sciences

• Student of Computer Science, Karlsruhe and Bonn, Diploma 1974.
• Assistant professor at the University of Bonn (1974-1976) and RWTH Aachen (1976-1983).
• Ph.D. in Computer Science, RWTH Aachen, 1979.
• Visiting professor, University of Hamburg 1983/84.
• Project Manager, GMD, St. Augustin, 1984-1988.
• Habilitation, University of Bonn, 1987.
• Professor, TU Munich 1988-1993.
• Full Professor, Humboldt-Universität zu Berlin, 1993 - current
• Managerial director at the Department of Computer Science, 1994-1996
• Dean of the Mathematical and Natural Science Faculty, 1996-1998
• Managerial director at the Department of Computer Science, 2002-2004
• Summer 1997: Senior researcher at the International Computer Science Institute (ICSI), Berkeley, California
• Winter term 2000/2001: "Lady Davis Visiting Professorship" at the Technion, Haifa, Israel
• IBM Faculty Award 2002, "Cross-organizational Business Processes (Composition of Web Services)"
• Winter term 2004/2005 Senior researcher at Microsoft Research, Redmond, USA
• IBM Faculty Award 2005
• Member of the European Academy of Sciences
• Beta Chair 2006, Technical University of Eindhoven
• co-editor of the journal "Software and Systems Modeling"
• Member of the Petri Net Conference Steering Committee, since 1982