Dr J.W.A. (Joseph) Fleuren studied law and philosophy at the Radboud University Nijmegen, the Netherlands (LL.M. 1992, LL.D. 2004, MA 2006). From 1991 until 1993 he has been a teacher of law, philosophy and professional ethics at the Nijmegen College of Higher Education. Since 1993 he is a researcher and a teacher at the Law Faculty of the Radboud University Nijmegen, originally in the Department of Constitutional law, later on in the Department of Jurisprudence.
From 2000 Joseph Fleuren is also a deputy judge at the District Court of Zutphen (since 2013 the District Court of Gelderland).