Maarten Metz works as a software developer with Logica and has over a decade of coding experience in bit-, byte-, procedural- and object oriented environments. His interests include software design, software construction, software quality, software testing, the psychology of computer programming and everything else that makes an app work. He has held various presentations and workshops on Lean Software Development and Professional Development. He holds a degree in Human Computer Interaction from the Technical University in Eindhoven.