Ph.D. Entomolgy, Lund University, 1991 (Taxonomic revision of western Palaearctic species of the genera Scatella R.-D. and Lamproscatella Hendel, and studies on their phylogenetic positions within the subfamily Ephydrinae (Diptera, Ephydridae)).
B.S. Biology, University of Iceland, 1972.
1978– : Entomologist, Icelandic Institute of Natural History.
1972–1973: Research on land invertebrates, Icelandic Institute of Natural History and the University of Iceland Institute of Life Sciences.
1970–1971: Research on colonization of land invertebrates and birds in Surtsey, Surtsey Research Society.
Sund Upper Secondary School (Menntaskólinn við Sund), Examiner in final biology exams, 1990–2003.
Hafnarfjörður town, member of nature conservation committees, 1986–1990, 1994–1998 (chairman 1994–1995), 1998–2002.
The Icelandic Natural History Society, on the board 1980–1983 (secretary1980–1981, vice chairman 1981–1983), cashier 1983–2006.