By subject area
Professor, Graduate School of Library & Information Science (GSLIS), National Center for Supercomputing Applications (NCSA), and Dept. of Computer Science at UIUC; Director, Center for Informatics Research in Science & Scholarship (CIRSS).
Previously Professor at the Dept. of Computer Science & Genome Center, UC Davis.
MS in Computer Science from U Karlsruhe (now KIT), PhD in Computer Science from U Freiburg (Germany). Research scientists at SDSC/UCSD until 2004.
Biodiversity Bioinformatics Computational Biology Computational Science Data Mining & Machine Learning Data Science Databases Digital Libraries Distributed & Parallel Computing Programming Languages Scientific Computing & Simulation Software Engineering Spatial & Geographic Information Systems Theory & Formal Methods World Wide Web & Web Science