Jan joined Giesecke+Devrient in 2006. Since then, he is active in the domain of Common Criteria evaluations for secure elements. During the past years, Jan contributed to the creation and maintenance of various Protection Profiles. Currently, Jan is the vice chair of the eSIM#WG5 (eUICC Protection Profiles, evaluation and certification methodologies) and Eurosmart ISCI WG1. Additionally, Jan is member of the ENISA 5G cybersecurity ad-hoc working group.