Bachelor, University Göteborg, Sweden, 1971. Doctor of Philosophy, University Göteborg, Sweden, 1979.
Lecturer, Göteborg U., 1971-1979; senior lecturer, Göteborg U., since 1979; associate professor, Göteborg U., since 1981; private consultant practice, Center for Security Policy Cons., Sävedalen, Sweden, since 1987.
Active American Red Cross, Save the Children, Amnesty International. Member International Academy Sex Research, Nordic Association for Clinical Sexology (president 1983-1986),Society for Science Study of Sex (SIECUS).
Married Ulla-Britt Maj Helldèn, May 20, 1972. 1 child, Carl Arvid.