About Cryspen

Cryspen was founded in December 2021 by Franziskus Kiefer, Karthikeyan Bhargavan, and Jonathan Protzenko, with the goal of adapting and extending cutting-edge formal verification tools developed at research labs like Inria and applying them to commercial software development. All three co-founders have a demonstrated track record of solving challenging problems in high-assurance high-performance cryptographic software development, both in research and industry.

Franziskus, our CEO, has a background in analyzing and proving cryptographic protocols academically as well as implementing and maintaining cryptography software. Karthik, our chief research scientist, is an expert in formal verification, protocol analysis, and applied cryptography. Jonathan, scientific advisor, is experienced in designing languages, verification software and toolchains for formal methods.

Team

/images/franziskus.jpg

Franziskus Kiefer

CEO & Engineer

/images/Karthik.jpg

Karthikeyan Bhargavan

Chief Research Scientist

/images/undraw_male_avatar_cryspen.png

Jan Winkelmann

Crypto Engineer

/images/jonas.jpg

Jonas Schneider-Bensch

Crypto Engineer

/images/lucas.jpg

Lucas Franceschino

Proof & Tool Engineer

/images/maxime.png

Maxime Buyse

Proof & Tool Engineer

Join Us

Learn how Cryspen is committed to creating a workplace where everyone feels valued, respected, and empowered.