Director of BioDetection Systems BV(The Netherlands).

He has been involved in testing dioxins/PCBs since his PhD at Eberhard-Karls University of Tübingen, Germany (1993). He has additional professional working experience in dioxin testing in England (Lancaster University, 1997), Japan (Kaneka, 1998-2002), and Germany (SGS and Eurofins,2002-2006).