Doctor of Philosophy, Karolinska Institute, Solna, Sweden, 1974.
From researcher to senior researcher, Karolinska Institute, 1967-1987; senior researcher, National Institute Working Life, Solna, since 1987. Director Swedish Twin Registry, 1980-1984. Guest researcher University of Southern California, 1984-1985.
Member International Society for Twin Studies, International Commission on Occupational Health.
Children: Anna, Lily.