Associate professor in mycology, University of Oslo.
Head of GBIF-Norway.
Dr. philos in mycology 1992.
Cand. scient. in mycology 1983.
Teaching and tutoring
Teaching courses and tutoring in mycology (lichenology).
Taxonomy within crustose and squamulose groups in the order Lecanorales, centered on the genera Phyllopsora, Psora, Rhizocarpon and Toninia.
The lichen flora of Norway.
Natural history collection management, databases, data exchange and web projects.