Doctor of Medicine, Karolinska Institute, 1980. Doctor of Philosophy in Gamma Knife Surgery, Karolinska Institute, 1996.
Intern, Norrtälje Hospital, Sweden, 1981-1983; resident neurosurgery department, South Hospital, Stockholm, 1983-1986; resident neurosurgery department, Karolinska Hospital, Stockholm, 1987-1988; staff member, Karolinska Hospital, Stockholm, since 1988. Visiting professor Department Neurosurgery Munich, 1994-1995. Director Karolinska Gamma Knife Center, Stockholm, 1992, co-director, 1993-1998.