Received an Engineering Diploma in Electronic
Data Processing in 1983 from Electronics Section,
Gjøvik Engineering College, Gjøvik, Norway.
Received Candidatus Magisterii degree (B.Sc) in 1985 from Faculty of Mathematics and Natural Sciences, University of Oslo, Norway.
Received a Candidatus Scientiarum (M.Sc) degree in Digital Technique in 1988 from Faculty of Mathematics and Natural Sciences, Department of Informatics, University of Oslo, Norway.
Received a Doctor Scientiarum (Ph.D) degree in Computer Science at Faculty of Mathematics and Natural Sciences, Department of Informatics, University of Oslo, Norway.