Sander is working as a technical pathfinder at Coolblue to help development teams conquer tech challenges. Being a C# coder, he likes to work with as many programming languages as he can (yes, including Fortran and x86-assembly).
As part of the job he speaks about TDD, systems architecture and software craftsmanship at Coolblue and occasionally at user groups. When you meet him at a conference, be careful because you might end up on his YouTube channel (https://www.youtube.com/channel/UCy7P-QDoOsXVZA304_4kN_Q)

When not at work you can find him poking a stick in various frameworks and writing the occasional blog on codenizer.nl