René Christian Gehlen is working for the City of Zurich as Chief Information Security Officer since 2017. In this role, he is overall responsible for the information security of the City of Zurich. The diversity of the areas of activity of the municipal service departments brings with it corresponding challenges in information security due to the different levels of protection required. Currently, particular attention is being paid to cyber security, where the city of Zurich is active with its Security Operation Center, or generally raising employee awareness of information security issues. Before René Christian Gehlen went to the city of Zurich, he worked in a similar position at an international financial services provider. Since the beginning of 2020 he has been the chief expert for the Swiss Federal Diploma of Higher Education (EFA) Cyber Security Specialist (CSS) by ICT Berufsbildung Switzerland.