| 1988–1992: |
Associate Editor of the International Journal "Artificial Intelligence in Medicine", Elsevier Science Publishers B.V. |
| 1991–1999: |
Member of the Editorial Board of the International Journal "Methods of Information in Medicine", F.K. Schattauer Verlagsgesellschaft mbH |
| 1993–2001: |
Member of the Editorial Board of the International Journal "Artificial Intelligence in Medicine", Elsevier Science Publishers B.V. |
| since 1995: |
Member of the Editorial Board of the IEEE Press Book Series "Emerging Technologies in Biomedical Engineering" |
| since 2001: |
Member of the Editorial Board of the International Journal "Journal of Applied Computer Science", Technical University Press, Lodz/Poland |
| since 2002: |
Editor-in-Chief of the International Journal "Artificial Intelligence in Medicine", Elsevier Science Publishers B.V. |
| 1989–1994: |
Austrian Representative in the Working Group 1 (Education) of I.M.I.A. (International Medical Informatics Association) |
| 1991–1993: |
Elected for coordination of the curriculum for Medical Informatics for the studies in Computer Science at the Vienna University of Technology/Austria |
| 1991–1996: |
Chairman of MEDWIS research initiative "Knowledge Bases for Medicine" of the Bundesministerium für Bildung, Wissenschaft, Forschung und Technologie/Germany |
| 1991–2000: |
Representative of the University of Vienna Medical School for the utilization of Picture Archiving and Communications Systems (PACS) for research and teaching |
| 1998–2000: |
Project leader of "Telemedicine, Knowledge-Based Diagnostics and Therapy" of the strategy group "Computer-Assisted Telemedicine and Therapy" at the University of Vienna Medical School |
| 1999–2000: |
Active Node of ERUDIT: European Network for Fuzzy Logic and Uncertainty Modeling in Information Technology supported by the European Commission DG III Industry—Esprit Programme as a Network of Excellence |
| 2001–2002: |
Vice-Chairman of the Committee "Human, Medical and Healthcare" of EUNITE—The European Network on Intelligent Technologies for Smart Adaptive Systems (a project funded by the Future and Emerging Technologies Arm of the IST Programme FET K. A. Line 8.12 Networks of Excellence and Working Groups) |
| 3/22/2002–3/8/2005: |
Member of the scientific-industrial advisory committee for biomedical engineering, Austrian Research Centers Seibersdorf, Biomedical Engineering |
| 10/11/2002–12/6/2004: |
Member of the Austrian Commission of the International Institute for Applied Systems Analysis (IIASA), Laxenburg/Austria, situated at the Austrian Academy of Sciences |
| since 12/1/2002: |
Member of the Scientific Advisory Committee of the Working Group “Medical Informatics” of the Austria Computer Society (OCG) and the Austrian Society for Biomedical Technology (ÖGBMT) |
| since 9/1/2004: |
Member of the Co-Ordination Team of the Austrian Nosocomial Infection Surveillance Network as part of the European HELICS-Associated Network (Hospitals in Europe Link for Infection Control through Surveillance) |