He was a appointed a doctor by the University of Nijmegen in 1986. After he did military service, he followed a course to become a surgeon in Rotterdam in the Erasmus Medical Centre. In 1995 he was appointed a surgeon and in 1997 a vascular surgeon. His focus is mainly on minimal invasion vascular surgery. From 2008, he is appointed a vascular surgeon at Catharina Hospital. In 2017 he was appointed a full professor at Eindhoven University of Technology on the faculty Biomedical Engineering.