Dr Wilko Letterie (W.A.) Work for third parties read more Ik ben secretaris van de stichting LIBER at LIBER Dr Wilko Letterie (W.A.) Full professor - Personal chair Organisation,Strategy & Entrepreneurship School of Business and Economics Tongersestraat 53 6211 LM Maastricht A2.05 w.letterie@maastrichtuniversity.nl +31(0)43 3883645 Linkedin