Johann-Christoph Freytag is currently full professor for databases and
information systems at the Computer Science Department of the
Humboldt-Universitaet zu Berlin, Germany. Before joining the
department in 1994 he was a research staff member at the IBM Almaden
Research Center (1985-1987), a researcher at the European
Computer-Industry-Research Centre (ECRC, in Munich, Germany,
1987-1989), and the head of Digital's Database Technology Center (also
in Munich, 1990-1993). He holds a Ph.D. from Harvard University.

Dr. Freytag's research interests include all aspects of query
processing and query optimization in object-relational database
systems, new developments in the database area (such as semistructured
data, data quality, databases and security), and applying database
technology to applications such as GIS, genomics, and
bioinformatics/life science. In the last years he received the IBM
Faculty Award 4 times for collaborative work in the areas of
databases, middleware, and bioinformatics/life science.