Bachelor in Icelandic with Philosophy, University Iceland, Reykjavík, 1988. Master of Arts in Medieval Studies, University Toronto, Canada, 1989. Doctor of Philosophy in Scandinavian Studies, University College London, 2000.
Halldór Laxness lecturer Icelandic language and literature University College London, 1993—1999. Research fellow Árni Magnússon Institute Icelandic studies, University Iceland, 1999—2001, associate research professor, since 2001. Co-director International Summer School Manuscript Studies, Reykjavík, since 2004.
Member of Viking Society Northern Research, International Saga Society (advisory board).