Consulting:

• Washington University, St. Louis MO, USA, 2003
• Epistemology & Learning Group, MIT Media Laboratory, Cambridge MA, USA, 1987
• Digital Techniques, Inc., Burlington MA, USA, 1987
• The J. Paul Getty Trust, Malibu CA, USA, 1987
• The Analytic Sciences Corporation, Reading MA, USA, 1986-1988
• Learncom Division, Sandy Corporation, Cambridge MA, USA, 1985-1986

Invited Advising for the European Commission

• Technology-Enhanced Learning expert committee, Information Society Technologies Work Programme 2005-2006
• Expert committee, Directorate-General for Education and Culture / Multimedia, 2004
• Consultation workshop, eLearning: Designing Tomorrow's Education, Directorate-General for Education and Culture, 2004
• Expert round-table, Knowledge Technologies and Digital Content, Directorate-General for the Information Society, 2003
• eLearning Focus Group, Experimental Learning Environments Expert Network, 2002
• European Workshop on Culture and Technology, 2002