Morten Tange Olsen is an associate professor at the Globe Institute, University of Copenhagen, Denmark. His research seeks to document and understand the effects of environmental change, pathogens and human activities on marine mammals and ecosystems, using ancient, environmental and modern DNA analyses, museum collections and observations in the wild. He is a member of multiple marine mammal expert groups, including the Helsinki Commission (HELCOM) and the North Atlantic Marine Mammal Commission (NAMMCO), as well as the Danish Ministry of Environment and Environmental Protection Agency.