- Senior Research Associate
- Senior Scientist, Stefansson Arctic Institute, Iceland
- Professor Adjunct, Hunter College, CUNY, New York
- Adjunct Professor, Royal Roads University, Canada
- Associate Professor, Arctic Research Centre (CER-ARCTIC), Autonomous University of Barcelona
- Visiting Professor, University of the Highlands and Islands, Scotland
- Visiting Fellow, Climatic Research Unit, University of East Anglia, Norwich, UK
Interface of social sciences, humanities, and the natural sciences; long-term human ecodynamics and climate change.