Clothing Technician, Textile Institute, Borås, Sweden, 1968. Bachelor Social Sciences, University Göteborg, 1980. Bachelor in Arts, University Göteborg, 1982.
Licentiate of Philosophy, University Göteborg, 1988. Doctor of Philosophy, University Göteborg, 1991.
Technician Ajak Fabrikker AS, Brumunddal, Norway, 1968-1971. Planning manager Slitmanfabriken AB, Sala, Sweden, 1971-1974. Production manager Peder Rydjord Konfeksjonsfabrikk, Lillehammer, Norway, 1974-1976.
Researcher department philosophy University Göteborg, 1984-1987, assistant professor department methodology, 1990—1993, professor philosophy and education department methodology, 1993—1998. Head research unit, vice president board education and research College Health and Caring Sciences, Göteborg, 1994-1995. Professor philosophy and education department education University Gõteborg, since 1999.
Visiting scholar department ethic and philosophy of religion University Aarhus, Denmark, 1988-1989. President Center for Philosophy and Social Theory, Göteborg, since 1988, Center for Philosophy of Education, Göteborg, since 1994, Nordic Society for Philosophy of Education, since 1997, Center for Life-world based Research, Gõteborg University, since 2000. Invited professor Helsinki University, Finland, since 2000, Oslo University, Norway, since 2001.
Member New York Academy of Sciences.
Married Geneviève A. Tondat, May 2, 1992. Children: Ronny H., Christophe E.R., Sophie C.E.C.