Ian Sehested Hansen has over 30 years’ experience in mathematical modelling in environmental hydraulics and water quality assessments as well as operational forecasting of marine hydrodynamics and water quality conditions. He has experience in estuarine/marine conditions in the tropics – especially the waters of Dubai, Hong Kong and Lake Maracaibo in Venezuela – as well as estuarine dynamics and water quality from several Danish and international projects. He serves as project manager for several large consulting and research projects including the EIA service to Femern A/S for the Fehmarnbelt Fixed Link since 2009.