Bachelor of Business Administration, Norwegian School Management, Oslo, Norway, 1971. Master of Business Administration, Norwegian School Management, Oslo, Norway, 1972. Doctor of Philosophy, University Wisconsin, Madison, 1981.
Market manager Astra Gruppen AS, Oslo, Norway, 1972-1977. Vice president sales Sustav A. Ring AS, Norway, 1981-1982. Managing director Roneo Alcatel AS, Norway, 1982-1988, Alcatel Bedriftssystemmer AS, Oslo, Norway, 1988-1991.
Associate professor Oslo School Business, Norway, 1991-1993, Professor BI Norwegian Business School, since 1993.
Member Academy International Business, American Marketing Association, Academy Marketing Science.
Married Catherine Marie Craemer Nes, February 18, 1973. Children: Karl, Michael, John Erik.