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Ton van der Wallen is an experienced business consultant with a career spanning several decades in various roles. Currently serving as a Senior Business Consultant in Critical Communication Services and previously in International Network Services at KPN since May 2009, Ton has a solid background in the telecommunications sector. Prior experience includes positions as a Business Consultant at KPN Corporate Solutions, and as a Senior Sales Consultant and Technical Consultant at Unisource, as well as a Sales Engineer at Tekelec. Ton van der Wallen holds a degree in Datacommunications from De Haagse Hogeschool / The Hague University of Applied Sciences, completed in 1989, and further education from the same institution from 1978 to 1983.