Since 1996 he is working at the Telematica Instituut appointed as Member of Scientific Staff in 1996, in 2000 he became Manager Application Engineering, in 2006 Expertise Group Leader, and since 2009 Principal Advisor.
He is working at the Telematica Instituut and since 2009 Principal Advisor. This is in 2000. This is since 1996. This Telematica Instituut is appointed as Member of Scientific Staff in 1996. He became Manager Application Engineering. Manager Application Engineering was 2000 in 2006 Expertise Group Leader.