Morten Tange Olsen Editor

Xénia Keighley completed her PhD as part of the Marie Curie Horizon 2020 ArchSci2020 network, investigating ancient genomics of the Atlantic walrus. She has been based at the University of Copenhagen (Denmark) and the University of Groningen (the Netherlands) and defended her PhD thesis in January 2021. Xénia’s academic background is in Biology, with a Bachelor of Philosophy (Science) (Honours) awarded by the Australian National University. Her undergraduate studies focused on taxonomy, phylogeography, botany and environmental sciences. 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. Peter Jordan is currently a professor of Archaeology at the Department of Archaeology and Ancient History, Lund University, Sweden. His research examines long-term human animal environment interactions in the circumpolar regions, including northern Europe and Northeast Asia. He was previously Directorof the Arctic Centre at the University of Groningen and the Netherlands Scientistin-Charge in the ArchSci2020 Network. He also served as the Netherlands representative in the Council of the International Arctic Science Committee (IASC) andwas also Chair of IASC’s Polar Archaeology Network (PAN). Sean Desjardins is a postdoctoral researcher at the Arctic Centre and the Groningen Institute of Archaeology, University of Groningen (the Netherlands)and a research associate at the Canadian Museum of Nature (Canada). An anthropological archaeologist with more than a decade of experience investigating human walrus interactions in Inuit Nunangat (the traditional Inuit territories of Arctic Canada), his research interests include Indigenous knowledge systems, food security/food safety among hunting gathering fishing populations and long-term human responses to climate change in the Arctic. He represents the Netherlands in the Sustainable Development Working Group (SDWG) of the Arctic Council.