Klaas van Schelven is the creator of Bugsink, an error tracker written in Python and one of the most successful Dutch Python projects in recent years.

He has contributed to Django and many other Python open source projects.

Klaas is an engaging speaker, with talks at tech conferences including DjangoCon Europe and the European Lisp Symposium, and is a regular guest at local meetups. He was also the European University Debating Champion.