Eelco van Putten studied Civil Engineering at Delft University of Technology (DUT) obtaining his MSc in 2002. He then started as a structural engineer for the Amsterdam Metroline for three years. He has since worked as a consultant for TEC (Tunnel Engineering Consultant) on several tunnel projects, such as the Hubertus tunnel in The Hague, The Netherlands, Oosterweel Connection in Antwerp, Belgium, Limerick tunnel, Ireland and Busan Geoje Fixed Link, South Korea. Since July 2009 he works for the Joint Venture Rambøll, Arup and TEC (JV RAT), the Design Consultant for Femern A/S; he is presently Lead Engineer for the Marine Work.