1978 – 1982 | Postdoctoral Research Associate in the project HAM-RPM at the University of Hamburg (Principal Investigator: Prof. W. v.Hahn) |
1982 – 1993 | Project Leader and Principal Investigator of the project HAM-ANS at the University of Hamburg |
1982 | Tenured Associate Professor of Computer Science at Saarland University, Saarbrücken |
1984 | Full Professorship at the University of Karlsruhe offered, declined |
1985 | Full Professorship at the University of Hamburg offered, declined |
1985 – 2018 | Tenured Full Professor of Computer Science at Saarland University, Chair of Artificial Intelligence, Saarbrücken |
1985 – 1995 | Member of the Executive Board of the Collaborative Research Center (SFB 314) “Artificial Intelligence Knowledge-based Systems” of the German Research Foundation (DFG) |
1987 | Visiting Professor at the University of California, Berkeley and first visitor of the International Computer Science Institute (ICSI), Berkeley |
1988 – present | Scientific Director of the German Research Center for Artificial Intelligence (DFKI GmbH) in Saarbrücken |
1992 – 2000 | Member of the Executive Board of the Post-Graduate College on Cognitive Science of the German Research Foundation (DFG) |
1993 – 2000 | Scientific Director and Principal Investigator of the Verbmobil Project on speech-to-speech translation |
1996 – present | Director and CEO of the German Research Center for Artificial Intelligence (DFKI GmbH) in Saarbrücken and Kaiserslautern |
1996 – 2007 | Member of the Executive Board of the Collaborative Research Center (SFB 378) “Resource-adaptive Cognitive Processes” of the German Research Foundation (DFG) |
1999 – 2003 | Scientific Director and Principal Investigator of the SmartKom Project Consortium on intelligent multimodal dialog systems |
2000 – 2018 | Joint Appointment as a Professor in the Department of Computational Linguistics at Saarland University, Saarbrücken |
2001 – 2007 | Member of the Executive Board of the International Post-Graduate College in Language Technology and Cognitive Systems as a cooperation between Saarland University (Departments of Computational Linguistics, Phonetics, and Computer Science) and the University of Edinburgh (School of Informatics) of the German Research Foundation (DFG) |
2004 – present | Scientific Director of the SmartWeb Consortium on mobile multimodal access to semantic web services |
2007 – present | Member of the Board of the Cluster of Excellence on Multimodal Computing and Interaction, Saarbrücken, Germany |
2009 – present | German Academic Representative on the Executive Steering Board of the European Institute for Innovation and Technology (EIT) ICT Labs, Brussels, Belgium |
2009 – present | Member of the Strategy Board of the Leading-Edge Cluster Software Innovations for Digital Enterprises |