- Conference Chair Web-Based Communities Conferences; 2004, 2005, 2006, 2007, 2008
- Conference Chair of the E-Society Conferences; 2004, 2005, 2006, 2007, 2008
- Conference Chair of the Mobile Learning Conferences; 2005, 2006
- First General Co-Chair of ICALT 2006, Kerkrade
- First Program Co-Chair of the EdMedia 2005, Montreal
- Review Committee of the Dutch Directions in HCI; The SIGCHI.NL Conference for Academics, Practitioners and Students. June 10, 2004. Amsterdam
- Program Committee Member of the EDUTECH 2004 Conference. 26-27 August 2004. Toulouse, France, sponsored by IFIP WG 10.5 in cooperation with IFIP WG 3.6 in conjunction with the IFIP World Computer Congress
- Workshop Program Committee of the IEEE 13th International Workshops on Enabling Technologies Infrastructure for Collaborative Enterprises (WETICE 2004)
- Program Committee of ICCE Melbourne, December 2004.
- Member of the Program Committee; AIAI 2004 IFIP WG12.6 -- First IFIP Conference on Artificial Intelligence Applications and Innovations. Toulouse France August, 22-27, 2004.
- Review Committee Member of the Dutch Directions in HCI; The SIGCHI.NL Conference for Academics, Practitioners and Students. June 10, 2004. Amsterdam
- Committee Member IADIS International Conference e-Society 2003 and 2004. Lisbon, Portugal. 3-6 June 2003
- Member of the Workshop Committee: IEEE 12th International Workshops on Enabling Technologies: Infrastructure for Collaborative Enterprises (WETICE 2003) Workshop on Evaluation of Collaborative Information Systems and Support for Virtual Enterprises; June 9-11, University of Linz, Austria
- Program Committee Member. ICCE 2003 Hong Kong Dec 2-5, 2003
- Technical Program Committee for the IEEE 1st International Workshop on Technology for Education in Developing Countries
- Program Committee of the WEDELMUSIC 2002 and 2003 conference in Darmstadt and (ICSRiM), Leeds, UK
- Program Committee of the IADIS International Conference WWW/Internet 2002; Lisbon, Portugal. 13 - 15 November 2002
- Organizing Committee of the United Engineering Foundation Conference on E-Technologies In Engineering Education: Learning Outcomes Providing Future Possibilities. August 11-16, 2002. Davos, Switzerland
- Member of the conference board and chairman of the panel sessions ICALT 2001
- Reviewer for the TiCSE 2000 The 5th Annual Conference on Innovation and Technology in Computer Science Education
- Reviewer of the EU Research Proposals in the INTAS stream
- CHI 2000; Conference on Human Factors in Computing Systems. Paper Reviewer and Co-Chair small papers
|
|