Dutch nationality

Current position:
Chairman Executive Board since 2000

Previous positions:
Has worked for ARCADIS in various management positions throughout his career, most recently as Member Executive Board.

Non-Executive Board functions:
Member Supervisory Board NV Nederlandse Gasunie / Gas Transport Services BV

Other functions:

• Board member PSIB Foundation
• Member Advisory Board Euronext
• Board member VEUO (Dutch Association of Listed Companies) 
• Board member Management Studies (SMS) Foundation 
• Board member VNO-NCW
• Member Supervisory Board College of Arnhem-Nijmegen
• Chairman Supervisory Board Vilente Foundation