Doctor of Medicine, University Göteborg, Sweden, 1978. Doctor of Philosophy, University Göteborg, Sweden, 1992.
Resident, County Hospital, Bohuslän, Sweden, 1978-1986; consultant, County Hospital, Bohuslän, Sweden, 1986-1987; consultant, Sahlgrenska University Hospital, Göteborg, 1987-1994; associate professor surgery, Sahlgrenska University Hospital, Göteborg, since 1994. Expedition surgeon Swedish Antarctic Research Project, Royal Swedish Academy Sciences, 1988-1989. Researcher Medical Research Council, since 1995, fellow planning group on abdominal tumors, since 1991.
Fellow Swedish Surgical Society. Member New York Academy of Sciences, International Society Surgery, International Association Endocrine Surgeons (member council 2004^), Swedish Association Endocrine Surgeons (president since 2000).
Married IngaMai Elisabeth Pettersson, June 5, 1982. Children: Julia, Victoria, Axel.