Rini van Solingen did a interview with me on the Stoos stampede on large scale Scrum.
It was fun
You can see the video at YouTube.
Scrum with TFS at the SDN conference, 2011
Kanban explained at Valori Kanban meetup, 2011
Agile Acceptance Testing at Belastingdienst Test markt, 2011
Agile Performance Testing a Valori meetup, 2010
Lightweight Grids with Terracotta in Java Magazine, 2007
Top 9 challenges of adopting Scrum in Agile Journal, 2008
Top challenges of adopting Scrum in JavaMagazine, 2008
Objects and Roles with Java in JavaMagazine. 2009