He holds an MSc. degree in Computer Science, Tele-Informatics and Open Systems from the Universiteit of Twente (1993). He has over 15 years experience as a technical leader in research and innovation projects, including digital identity initiatives. In 2007 he joined SURFnet as the architect and technical product manager of SURFfederatie, the national infrastructure for federated Single Sign-On for the research- and higher education community in the Netherlands. In 2011 he joined Ping Identity as an expert on Single Sign-On, Cloud Identity & Access Management and large scale deployment of federation technology.