Gerard J. A. van de Aast is a Netherlands; Dutch businessperson who has been at the helm of 7 different companies. Currently, he is Chairman-Supervisory Board at NS Reizigers BV and Chairman-Supervisory Board of Nederlandse Spoorwegen NV.

He is also on the board of Witteveen+Bos Raadgevende Ingenieurs BV, Heisterkamp Transport BV and Signify NV.

He previously occupied the position of Member-Supervisory Board at Royal Imtech NV and Chief Executive Officer for Imtech Nederland BV (a subsidiary of Royal Imtech NV), Chairman-Management Board at Koninklijke Volker Wessels Stevin NV, Chief Executive Officer of Reed Business Information Ltd., Chairman-Management Board & CEO of Volkerwessels Bouw & Vastgoedontwikkeling BV and Vice President for Compaq Computer Corp.