- Algebra
- Discrete Mathematics
- Cryptography
- Theoretical computer science
Lecturer (Lehrbeauftragter) at Hochschule für Technik Stuttgart
IT-Consultant for Business Intelligence at INIT Individuelle Softwareentwicklung & Beratung GmbH
Akademischer Rat auf Zeit at the department of mathematics at University of Bielefeld
Scientific assistant at the department of mathematics at University of Bielefeld
Dissertation award of Universitätsgesellschaft Bielefeld
"The Grothendieck ring of the structure group of the geometric Frobenius morphism", Transactions of the AMS