Doctor of Theology, Uppsala University, 1977.
Lecturer in philosophy of religion Uppsala University, Sweden, 1977—1988, full professor in philosophy of religion Sweden, since 1988. Visiting professor of the belle van zuylen chair University Utrecht, Netherlands, since 1996.
Member of German Society for the Philosophy of Religion (correspondent), British Society for Philosophy of Religion (correspondent), European Society for Philosophy of Religion (correspondent), Swedish Society for Philosophy (correspondent).
Married Ingegerd Monika Knutsson, October 13, 1967 (divorced November 14, 1995). Children: Elin Margareta, Sebastian Erik.