Biography

1957 Born in Schiedam, The Netherlands
1976 Exam secondary school
1986 Masters Philosophy University of Groningen
1997 PhD Faculty of Law, University of Groningen. (Dissertation:The Disintegration of Natural Law Theory: From Aquinas to Finnis, Brill Leiden, 1998. Cum laude, awarded Praemium Erasmianum)
1992-2000 Assistant Professor Philosophy of Law (Universities of Groningen and Nijmegen)
1991-1994 External Examiner Fourah Bay College, Freetown, Sierra Leone
1993-2003 Member of the Board of the (Dutch section of) the Association for the Philosophy of Law
2000-2001 Associate Professor Philosophy of Law, University of Groningen
From 2001 Professor Philosophy of Law, University of Groningen and (until 2009) Free University Amsterdam
From 2004 Member of the Executive Committee of the International Association for Philosophy of Law and Social Philosophy (IVR)
From 2007 Program-manager Academy for Legislation, The Hague
2007-2019 Editor RM Themis
2009-2015 General Editor of Legisprudence, International Journal for the Study of Legislation, Hart Publishing, Oxford (current title: Theory and Practice of Legislation, Taylor & Francis)
From 2010 Member of the Royal Dutch Academy of Sciences, section Law
2011-2013 Member Editorial board Recht & Methode (Law & Method)
From 2012 Member scientific advisory board European Masters Legal Theory (AMELIE-project)
2013-2019 Director of the Groningen Graduate School of Law
2014-2017 Member Social Sciences Council of the Royal Dutch Academy of Sciences
From 2020 Member Advisory Board Bologna Law Review
From 2019 Confidential Advisor Research Master - and PhD students
From 2019 Head of Department and leader research program Transboundary Legal Studies, Faculty of Law