Doctor of Medicine, Turku University, Finland, 1970. Doctor of Philosophy, Turku University, Finland, 1978.
Senior staff radiologist Turku University, 1975-1986, Helsinki (Finland) University, 1986-1991. Chief radiologist Finnish Defense Forces, Helsinki, 1992-1994. Visiting assistant professor University Michigan, Ann Arbor, 1992-1993.
Professor neuroradiology Uppsala (Sweden) University, since 1994.
Member Finnish Society Neuroradiology (president 1987-1989), Finnish Society Nuclear Medicine (board directors 1993-1994), Swedish Society Neuroradiology (board directors 1999-2004).