Main Activities

European Federation for Welding, Joining and Cutting (EWF)

  • Past President
  • EWF Lead Assessor (auditor)
  • Chair of the TC for implementation of EN 1090

International Institute of Welding (IIW):

  • Member Committee XIV: "Education and Training";
  • Member WG-STAND;


IIW – IAB the International Authorisation Board of the International Institute of Welding:

  • Member of the Board of Directors;
  • Chairman Group A: "Education and Training";
  • Member Group B: "Authorisation and Qualifcation";
  • Chairman of several working groups;
  • CEN/ISO Liaison officer;
  • IIW Lead Assessor.

Dutch Standards Committee (NEN):

  • Member and past Chairman Dutch Standards Committee 341 008 “Welding”


Comité Européenne de Normalisation (CEN)

  • Member CEN (Comité Européenne de Normalisation): TC 121, Welding


International Standards Organisation (ISO)

  • Member ISO (International Standards Organisation): TC 44, Welding (SC 10 and 11)
  • Chair of  ISO/TC 44/SC 11/WG2 (update of the EN-ISO 14731)


Other organistations

  • Honorary member (past secretary) of the Association “KINT” (Dutch Association for Quality, Inspection and Non-destructive Techniques)
  • Secretary of the Association “IWCR” (Independent Welding Consultants Register)