Gustaf Hugelius is a visiting scholar whose teachings are mainly focused on Geographic Information Systems (GIS) at basic and advanced levels. Gustaf's main scientific interest is the role of soils in the global carbon cycle. He has worked particularly with quantifying and characterizing stocks of organic carbon stored in permafrost and peatlands of Arctic and Boreal ecosystems. He is the manager of the Northern Circumpolar Soil Carbon Database, co-chair of the scientific steering group of the International Soil Carbon Network and the leader of the Soil Carbon Quantity working group.