Doctor of Medicine, Uppsala University, Sweden, 1969. Doctor of Philosophy in Surgery, Uppsala University, Sweden, 1978. Doctor of Medicine (honorary), University Athens, 1998.
Resident in anesthesiology University Hospital, Uppsala, Sweden, 1969-1971, senior registrar in surgery Sweden, since 1975, associate professor surgery Sweden, since 1979. Intern, resident in surgery County Hospital, Karlstad, Sweden, 1971-1975. Researcher in cancer epidemiology Swedish Cancer Society, Uppsala, Sweden, 1986-1989.
Professor cancer epidemiology Uppsala University, Sweden, 1990-1997, Karolinska Institute, Stockholm, since 1997. Adjunct professor School Public Health Harvard University, Boston, since 1992. Member awards assembly General Motors Cancer Research Foundation, 1992-1996, Nobel Assembly, since 1998, Nobel committee, 1998, 99, 2000, General Motors Advisory Council, Cancer Research Foundation.
Lecturer Cutter Lecturer Preventive Medicine Harvard School Public Health, I.S.A., 1991. Distinguished visiting lecturer Harvard University, 2001. Visiting professor National University Singapore, 2006^.
Member American Association for the Advancement of Science, Swedish Medical Association, Swedish Society Medicine, American Association Cancer Research, Royal Society Sciences.
Married Barbro Elisabeth Jonason, April 11, 1968. Children: Carolina, Johanna, Linda.