Professor of education at the University for Humanistic Studies in Utrecht (the Netherlands). He studied developmental psychology at the University of Amsterdam. From 1979 till may 2015 he was working at the Graduate School of Teaching and Learning of the University of Amsterdam, recently as associate professor. Since 2002 he has a chair as Professor of education at the University of Humanistic Studies in Utrecht, in particular in the area of sense giving and humanity and on humanist ethical education (HVO).
His research and teaching is in the areas of citizenship education, moral development, teachers’ pedagogical professionalism, educational change, networking between educational institutions, identity and citizenship development, youth studies and youth subcultures.