October 2012-March 2013
Professor (deputy) of Visual Communication at the Institute for Media Research, TU Chemnitz.

October 2011-September 2012
Professor (deputy) of Philosophy at the Institute for Media Research, TU Chemnitz.

March 2011
Co-chair of international conference Origin of Pictures / Anthropological Discourses in Picture Science.

October 2010
Co-editor of journal Jahrbuch Immersiver Medien / Yearbook of Immersive Media.

March 2009
Founding member of DFG-Netzwerk Bildphilosophie.

since summer 2008
lecturer at TU Chemnitz, WBH Darmstadt, and HTW Saarbrücken

May 2005
Habilitation to Dr. rer.nat. habil. with venia legendi in computational visualistics (habilitation thesis: Variations and Application Conditions of the Data Type »Image«. The Foundation of Computational Visualistics).

June 2004
Founding co-editor of journal IMAGE.

since April 2003
Independent researcher and scientific consultant

February 2001
Honored with the department's Award for Oustanding Services ("Fakultätspreis für besondere Leistungen") of the department of computer science, Otto-von-Guericke-University, Magdeburg. (official picture)

January 1996 - April 2003
senior researcher and lecturer at the Institut für Simulation und Graphik, Fakultät für Informatik of the Otto-von-Guericke-Universität Magdeburg
in particular: students' counsellor for and manager of the programme computational visualistics

September 1994 -- August 1995:
Postdoc fellow at International Computer Science Institute, Berkeley, California, USA

July 1994:
Dissertation to Dr. rer. nat. of the technical faculty of the Universität des Saarlandes on the theme Connecting Visual and Verbal Space: An Interdisciplinary Study in AI on Mental Images in a Listener Model

March 1994 -- December 1995:
senior researcher at the AI group at the university of Bremen, project IRIS (Image Retrieval for Information Systems)

October 1990 -- April 1993:
Coordination of the interdisciplinary PHILIP circle of cognitive science at the University of Saarland

October 1986 -- November 1993:
junior researcher in project VITRA (VIsual TRAnslator) in the Special Research Programm (SFB) 314 `AI and Knowledge-based Systems' at Universität des Saarlandes, Saarbrücken

October 1986:
Diploma at Prof. Dr. W. Wahlster on the subject: MEGA-ACT -- A study of explicit control structures and pseudoparallelity in actor systems with an example architecture in FRL.

1984 -- 1986:
several jobs as student assistant to Prof. Wahlster (programming, supervision of students' practical exercises)

November 1981:
`Vordiplom' (intermediate degree) in Computer Science

October 1979 -- October 1986:
study of Computer Science (minor: Physics) at Universität des Saarlandes, Saarbrücken

Also during this period courses in cognitive psychology (Prof. Tack), psycholinguistics (Prof. Engelkamp), philosophy (Prof. Lorenz und Prof. Ros), philosophical logic (Prof. Risse), and Mandarin (Dr. Xia);

June 1979:
`Abitur' (high school diploma) at the Paedagogium Baden-Baden

August 3, 1960:
born in Illingen, Saarland, Federal Republic of Germany