Doctor of Philosophy, Karolinska Institute, Stockholm, 1992.
Senior epidemiologist Stockholm Center Public Health, since 1996, deputy head department, since 1996. Associate professor Karolinska Institute, since 1997. With cavalry Swedish Military, 1975-1976.
Member of Swedish Medical Association, Swedish Society Epidemiology, International Epidemiological Association.
Married Åsa Hammar, 1982 (divorced 1997). Children: Olof, Erik, Signe.