Stephan Ronald Nanninga founded Dutch Star Cos. Two BV. Presently, he is Director & Branch Manager at Technische Unie BV.

He is also on the board of Bunzl Plc, IMCD NV and CM.com NV and Group Managing Director-Distribution Europe at CRH Nederland BV and Member-Supervisory Board at Cabka NV.

He previously held the position of Chief Executive Officer at SHV Holdings NV, Managing Director-Distribution Europe at CRH Plc and Executive Director at Dutch Star Cos. Two BV.

He received a graduate degree from Rotterdam University and an MBA from Delft University of Technology.