Principal IT

Fast Feedback Software Delivery


"We talk on principal, but act on motivation."

Your organisation has an amazing team of highly talented software professionals. They work hard on delivering the software products that enable your business. I help your engineering teams to deliver value earlier, using fast feedback while ensuring a sustainable pace.

Professional services

"You are what you do, not what you say you'll do."

Coaching and mentoring

Practical guidance for your development team to deliver software using a sustainable pace.


Courses and workshops that lift your software crafting skills to the next level.

Software architecture

Expert advice on making fundamental choices for your software systems.

Contact me at or call +32 496 38 00 82

Let’s not worry about conformity and tradition. Let’s just do whatever works and let’s have fun doing it.


Thank you for visiting my website. I’m a professional software developer since Y2K. A blogger since Y2K+5. Author of Writing Maintainable Unit Tests. Provider of training and coaching in XP practices. Curator of the Awesome Talks list. Thinking and learning about all kinds of technologies since forever.

Contact information

(+32) 496 38 00 82