He is leading the research group on molecular evolution and ecology of microbial eukaryotes. Large part of his activities is devoted to DNA barcoding and metabarcoding. Currently, he is working on the development of eco-genomic tests for biomonitoring and survey of freshwater and marine ecosystems. He is the chair of the Swiss Barcode of Life (http://www.swissbol.ch) and the founder of ID-Gene ecodiagnostics Ltd (http://www.id-gene.com).