Frequent contributions to the award-winning Capgemini CTO Blog
Frequent contributions to SlowPlanet.com, the international hub of the Slow Movement
Publishes The Holistic Beach Blog (Dutch and sometimes English)
Has a personal blog (you know where to find it, otherwise: ask)

Archive of columns for Capgemini NL web site (Dutch)Columns for IT Executive (Dutch)
Columns for Software Release Magazine (Dutch). Search for ‘Release Magazine’ on blog
Archive of columns for CM Corporate (Dutch)
Archive of columns for Business Consultant magazine

Series about the psychology of roles in IT (Automatisering Gids, Dutch), part 1, 2 and 3
Series about Open Source and open innovation (Automatisering Gids, Dutch), part 1 and 2
Series about ‘Jericho style’ Security (Automatisering Gids, Dutch) part 1 and 2

Book ‘Object-oriented modelling & C++’(Dutch)
Book ‘IAD - Iterative Application Development’(Dutch)
Book ‘The Black Madonna’s of IT’ (Dutch)

Can be followed on Twitter