Bachelor, University Colorado, 1967. Master of Science, University Stockholm, 1971. Doctor of Philosophy, University Stockholm, 1982.
Researcher, Swedish National Institute of Economics Research, Stockholm, 1971-1981;
senior researcher, Swedish National Institute of Economics Research, Stockholm, 1982-1984;
head department research and analysis, Swedish National Social Insurance Board, Stockholm, since 1985. Adjunct Professor social insurance economics U. Gothenburg, Sweden, 1988-1994, UppsalaU., since 1995. Advisor, expert Swedish Ministry of Finance, Stockholm, since 1982, Swedish Ministry of Health and Social Affairs, Stockholm, since 1985.
Expert International Social Security Association, Geneva, since 1986. Consultant in socialpolicy World Bank, Latvia Government, Polish Government, Russian Federation Government, since 1995.
Member Swedish Economics Society, American Economics Society, Econometric Society.
Married Anna Christina Castberg, June 19, 1969. Children: Joanna Rebecca, Andrea Katarina.