‘User-Centered Design – A Reality Check’
– Keynote presentation at the CHI*sparks 2011 conference, Arnhem, The Netherlands (video)
– Keynote presentation at Ten Years of Human Technology Symposium, Hanzehogeschool Groningen
– Invited lecture at Philips Consumer Lifestyle, Drachten, The Netherlands

An Introduction to User-Centered Design
Man Machine Interace Seminar, Electronics & Automation fair 2011, Utrecht, The Netherlands

No Silver Bullet; Why making Usable Products Requires Organizational Approach
Design for Usability Symposium 2009. (video)

Everything but testing; an organizational approach for usability
Dutch Design Management Network (November 2008)

Innovation and product usage
KPN telecom innovation day (September 2007)


Cross-disciplinary exploration of recommendations for usability in practice
Product development team members from various disciplines discuss how to improve their organization’s ability to deal with usability, based on Recommendations for Industry card set – for the Design for Usability project

Presentation Skills for Designers
A training in presentation skills for designers at a design consultancy – for FLEX/theINNOVATIONLAB