Welcome to my personal webpages. Here you find selected contributions to math, cryptography, and security.



Short Professional Bio

  • I work as a Security Architect in the Office of the CISO at Google.
  • I was a member of the Advisory Board of the Department of Mathematics and Computer Science at the Technische Universiteit Eindhoven in the Netherlands.
  • I worked as Senior Security Architect at IBM. As Global Lead of Cryptography Services I established Consulting and System Integration Services in the field of cryptography, key management, and related data security capabilities for IBM’s enterprise customers.
  • I was a Senior Research Consultant at the European Network for Cyber Security (ENCS), a not-for-profit organization in Europe whose main objective is to come up with practical security solutions for critical infrastructures. I worked on the EU funded research project SEGRID.
  • I was a Postdoctoral Researcher in the Crypto group at the Technical University of Denmark. During a leave of absence I went as visiting researcher to the Cryptography Research Group at Microsoft Research in Redmond.
  • Before I was a Research Associate in the Computer Science Department at the University of Illinois at Chicago in the United States (NIST project “Post-Quantum Cryptography” led by Daniel J. Bernstein).
  • Before I was a Ph.D. Student in the Coding and Cryptology group at the Technische Universiteit Eindhoven in the Netherlands. My supervisors were Tanja Lange and Daniel J. Bernstein.



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