I was also member of the Graduate Center at the Heinz Nixdorf Institut at the Universität Paderborn.
I then joined the research group of Applied Mathematics at the Universität Paderborn.
I am currently at the Sandia National Laboratories in Albuquerque, New Mexico, USA, North America.

• PARTY Graph-Partitioning Library
• Graph Partitioning (Helpful Sets, FE-Mesh Partitioning)
• Load Balancing for parallel adaptive Finite Elements Simulation
• Sonderforschungsbereich 376 "Massive Parallelität",
  TP A3: Balancing Dynamical Networks (currently only in German)

• Datenstrukturen und Algorithmen (SS '99)