Stefan Kölbl

Who am I?

I am cryptography researcher currently working for Cybercrypt in the role of Senior Technology Manager. Before I was a postdoctoral researcher in the Cyber Security Group at the Technical University of Denmark working on the PQCRYPTO project. I did my PhD under the supervision of Christian Rechberger and Lars Knudsen at DTU Compute, Technical University of Denmark, working on the design and analysis of symmetric key primitives. Before, I studied computer science at Graz University of Technology, Austria.

Research Interests

My current research interests mostly focus around the following areas (for publications see here):


I am co-designer of several cryptographic algorithms:

Program committee

Conference Refereeing


Representative of Denmark for ISO/IEC JTC 1 SC 27 (IT Security techniques) Work Group 2 (Cryptography and security mechanisms) since 2017.