Corina Brussaard works in the Department of Marine Microbiology and Biogeochemistry at the Royal Netherlands Institute for Sea Research, and is a Professor at the University of Amsterdam. Her research focuses largely on the ecological role of viruses in the microbe-dominated marine ecosystem. Her research contributed crucial developments in virus enumeration, novel algal virus isolation, and virus-induced mortality rate measurements.These observations helped to establish the qualitative and quantitative importance of viruses for biogeochemical cycling and the functioning of the ecosystem. Her latest research has revolved around the influence of environmental factors on microbial host-virus interactions, with emphasis on the effects of global climate change. Brussaard has taken many leadership roles in the community and is currently president of the International Society for Viruses of Microorganisms (ISVM), and secretary of the Scientific Committee on Oceanic Research (SCOR).