Conseil de surveillance
Leysen is a member of the board of Agidens (formerly Egemin) and member of the Supervisory board of K&amp;H Bank (Hungary). He was Chairman of the Antwerp Management School (formerly called UAMS) from 2004 till 2016. Today he is chairman of the International Advisory Board. He is a founding member and was the first chairman of ADM (a cluster of about 100 IT related companies) and of the Belgian Enterprise Network for Social Cohesion (renamed "Business &amp; Society" and subsequently 'The Shift').