He was partly trained in the Johanna Stichting Arnhem, the eldest specialized centre for PRM in children in the Netherlands.
Specialist in PRM since 1990, Europ Board Certific 1993;
Dr. Wim Janssen is since 1994 consultant in Rehabilitation Medicine at the Erasmus MC University of Rotterdam. Since the mid 90’s he is involved in care for children with congenital and acquired upper limb differences.
He was involved in research on this topic. Nowadays he is also involved in children with upper limbs reduction deficiencies and amputations.