Dr. Larsen is a Professor of Public Health in Arctic Regions with a focus on Indigenous Peoples’ Health. She is a sociologist by training (University of Copenhagen, 2006) and completed her PhD in Public Health (University of Southern Denmark, 2014). She has lived and worked in the Arctic with her family for more than a decade, but is currently based in Copenhagen. She is Head of Research for the Centre for Public Health in Greenland and PI of the Greenland Population Health Survey. As head of research, she is responsible for The National Institute of Public Health's research-based consultancy on public health matters to the Government of Greenland.

Dr. Larsen is also a Fulbright Alumna and took part in the second Fulbright Arctic Initiative cohort (2018-19). She currently serves as a Lancet Commissioner on the issue of Arctic Health.

Dr. Larsen is the co-founder and head of the steering committee for SDU Arctic - a network for Arctic researchers at SDU. She has been involved in Arctic Council Mental Health Projects under the Sustainable Development Working Group for a decade and has represented the Greenlandic Ministry of Health in the Arctic Human Health Expert Group since 2015, which serves as an advisory expert group to SDWG. She is also the president of the Circumpolar Health Research Network.