In 1992 he was appointed Professor of Information Systems Development at the University of Bergen in the Department of Information Science and Media Studies .
He was lecturer at the Norwegian Institute of Technology from 1988 to 1992 .
In 1992 lecturer was appointed Professor of Information Systems Development at the University of Bergen in the Department of Information Science and Media Studies .
He was lecturer at the Norwegian Institute of Technology from 1988 to 1992 .