| 2011— | Chairman of the Board of Directors (careon Avalis, Basel) |
| 2008—2010 | Chairman of the Board of Directors (Avalis Healthcare Systems AG, Zurich) |
| 2001—present | Spokesperson and member of Business Marketing Expert Group (Liberty Alliance Project) -- today Kantara Initiative. Since 2008 “Individual Sponsor” of the Alliance. |
| 2006—present | Spokesperson (OpenDocument Alliance) |
| 2001—present | Scientific Advisory Board (Swiss Academy of Engineering Sciences, SATW). Vice President of the Board since 2005 |
| 2005—2009 | ICT Commission (SATW, ICT-Comm.) |
| 2003—2009 | Curator (Fraunhofer Institute for Integrated Circuits, Erlangen) |
| 1999—2003 | Curator (Fraunhofer Institute for Factory Operation and Automation) |
| 2001—2007 | Executive Jury Member (European IST Prize, representing Switzerland) |
| 2008—present | Jury Member (Swiss ICT Award) |
| 2003—2008 | Scientific Advisory Board (Avalis Telemedicine AG, Basel) |
| 2000—present | Advisory Board (DAI-Lab, Technical University Berlin) |
| 2004—present | Advisory Panel (DGRI, German Association for Law and Informatics) |
| 2005—2008 | Advisory Board (SwissITmedical.net) |
| 2008—2009 | Steering Committee eHealth (a+, Swiss Academies of Sciences) |
| 2001—present | Steering Committee (Global Forum) |
| 1999—2003 | Working Group, Digital Divide Initiative (World Economic Forum) |
| 1996—present | TechCast Expert Panel (Virtual Think Tank) |
| 1998—present | Consulting Expert and Council Member with Gehrson Lehrman Group and Guidepoint Global |
.jpg)