Doctor of Medicine, University Helsinki (Finland), 1968. Doctor of Philosophy, University Helsinki (Finland), 1979.
General practitioner Eno, Kiihtelysvaara, Finland, 1968-1970. Fellow Helsinki University Hospital, 1970-1974. Physician Tiuru (Finland) Chest Hospital, 1974-1976.
Associate chief Ounasrinne Chest Hospital, Rovaniemi, Finland, 1976-1981. Lecturer in pulmonology Tampere (Finland) University, 1981-1984, senior lecturer, since 1982. Associate chief department pulmonary diseases Tampere University Hospital, 1984-1993, head department pulmonary diseases, since 1994, professor, since 2000.
Second lieutenant Finnish Army, 1959-1960. Member Finnish Chest Society (president 1991-1994, board directors 1994-1997), Finnish Lung Health Association (board directors 1989-1994).
Married Eeva Irene Karjalainen, November 2, 1963. Children: Jenny Monica Ilkka, Sami Harald Lahdensuo.