Reviewer for Bioinformatics, BMC Bioinformatics, Briefings in Bioinformatics, Nucleic Acids Research (NAR), Nature Reviews Genetics, Trends in Biotechnology, Genome Biology, IEEE Transactions on Computational Biology and Bioinformatics (TCCB), Journal on Bioinformatics and Computational Biology (JBCB), OMICS, BMC Systems Biology, Journal on Biomedical Semantics, BMC Cancer, Drug Discovery Today, Bio-Algorithms and Med-Systems, FEBS Journal, Integrative Biology, PLOS Computational Biology (Plos-CB), Bio-Algorithms and Med-Systems (BAMS), BMC Genomics, International Journal of Data Mining and Bioinformatics (IJDMB)
Reviewer for SIGMOD Record, VLDB Journal, Web Semantics Journal, Information Systems, Journal of Cooperative information Systems (IJCIS), ACM Transactions on Database Systems (TODS), IEEE Transactions on Knowledge and Data Engineering (TKDE), Journal of Web Semantics (JWS), IT-Forschung und Entwicklung, GIS-Science, Journal of Data Semantics
Reviewer for Deutsche Forschungsgemeinschaft (DFG), Schweizer Nationalfonds (SNF), German-Israeli Foundation for Scientific Research (GIF), Dutch Science Council (DSC), Alexander-von-Humboldt Foundation (AvH), Deutscher Akademischer Austauschdienst (DAAD), Natural Sciences and Engineering Research Council of Canada, Volkswagen-Stiftung
ASIIN Fachgutachter for accreditation of computer science study programs