Karel obtained an engineering degree from Brno University of Technology (BUT) in the fields of Informatics and Computer Engineering, as well as Economics and Industrial Management. He further earned an LL.M. in Law of Information and Communication Technologies from Masaryk University. He holds several professional certifications. Throughout most of his professional career, he has been involved in information technology security, holding various consulting and managerial positions. At T-Mobile, he oversees a group providing endpoint protection services for corporate clients. This includes topics such as protecting computers and servers from malware and other forms of cyberattacks, mobile device management, and security, among others.