Bachelor of Science, University Göteborg, Sweden, 1969. Doctor of Philosophy in Zoology, University Göteborg, Sweden, 1982.
Professor zoo physiology University Umeå, Sweden, 1988. Professor zoomorphology University Göteborg, Sweden, since 1990. Professor zoo ecology University Lund, Sweden, 1993.
Referee various science international journals. and American National Science Foundation, since 1980. Member International Committee Avian Endocrinology, since 1989. Board member Ethical Committee Animal Experiments, Sweden, since 1990.
Member International Ornithological Committee, since 1994.
Leader Swedish Scout Movement, Göteborg, Landvetter, since 1962, president, 1970-1985, president environmental committee, Stockholm, since 1985. Secretary NolsIK Wrestling Association, Nol, Sweden, since 1990. Sergeant Swedish Army, 1964-1965.
Married Björg Wessel Fredriksen, April 3, 1971. Children: Fredrik, Åsa.