Wouter is a long-time, vital member of the formal certification community, from Common Criteria evaluator in 1997 to certifier in 2010 and CEO and founder of TrustCB, one of the biggest CC CBs in 2018. In all these roles Wouter creates convincing proof of why disruptive technology still meets traditional requirements in a predictably short time to certification. Not only with the development of various schemes (NSCIB, MIFARE, GSMA eSA, and more) but also by improving the state of the art in various workgroups (JHAS, JIL WG1, EUCC, EU5G, Matter, …)  and the IoT specialized evaluation methodology SESIP of which Wouter is one of the two original authors.