Born in Oslo 1954, dr. scient. 1984 (University of Oslo),
post. doc. fellow (VISTA) 1985-88,
senior research fellow (Norwegian Research Council) 1989 – 90,
senior lecturer (University of Oslo) 1990 – 93, professor, 1994 – present.
Editor, "Mass Spectrometry Reviews" 2000 – present.
Member of the editorial board of "European Mass Spectrometry" 1994 – present
Member of the editorial board of "International Journal of Mass Spectrometry" 1997 – present
International representative of the Norwegian Mass Spoectrometry Society, 1996 – present
National Representative of the IUPAC division subgroup Physical Organic Chemistry 1998 – present.
Member of the IUPAC Organic and Biomolecular chemistry division committee (III) 2004 – present.
European representative on the board of the International Mass Spectrometry Foundation.
IUPAC Norwegian Society for Mass Spectrometry International Mass Spectrometry Foundation
Mass Spectrometry Reviews European Journal of Mass Spectrometry International Journal of Mass Spectrometry