Joachim Biskup has been Professor of Computer Science since 1981 at the University of Dortmund, University of Hildesheim and University of Dortmund again. He has done research in recursion and complexity theory, information systems with an emphasis on database schema design, query optimization and mediation, and various aspects of security. He served on the program committees of many international conferences, including ICDT, FoIKS, ESORICS and IFIP WG 11.3 Conference on Database and Applications Security.