Firmijn Zijl

Senior Researcher

Mr Zijl is senior researcher in the Marine and Coastal Systems Division of Deltares. He has extensive experience with hydrodynamic modelling of free surface flows. In particular he worked with, and developed, experimental numerical code…

Frans Klijn

Geo-ecology and policy analysis

Dr. Frans Klijn is experienced as researcher in applied geo-ecology and policy analysis, working in this field since 1980. His experience ranges from theory and concepts via survey and policy analysis to the practical planning…

Frans Roelofsen

Hydro-geologist

Frans Roelofsen is hydro-geologist at Deltares. Frans is a member of the iMOD support team, iMOD forum moderator, co-developer of iMOD and lecturer in iMOD courses. Frans has extensive experience in numerical groundwater modeling studies,…

Frans van de Ven

expert advisor Urban Land & Water Management

Frans van de Ven is expert advisor in the Urban Land & Water Management team at Deltares, and he is associate professor of Urban Water Management at the Faculty of Civil Engineering and Geosciences at…

Fred Kloosterman

senior expert on geology, hydrogeology and geo-informatics

Dr. Fred Kloosterman is a very experienced geologist and hydrogeologist and has been working in about 20 countries in Eastern Europe, Africa, Middle East, Central and East Asia for the last 35 years in short-term…

Frederique de Groen

Expert Climate Impact and Human Responses

Frederique de Groen is an expert on the quantification of natural hazard impact assessments and modelling human responses. She is involved in the continuous development of Delft-FIAT, RA2CE and the Criticality Tool, which are used…

Frederique de Groen

Expert Climate Impact and Human Responses

Frederique de Groen is an expert on the quantification of natural hazard impact assessments and modelling human responses. She is involved in the continuous development of Delft-FIAT, RA2CE and the Criticality Tool, which are used…

Freek Scheel

Expert on Coastal Engineering & Morphodynamics

Freek Scheel is a senior consultant in coastal engineering & morphodynamics at Deltares, who is mainly engaged in specialist consultancy studies in support of coastal and offshore developments. In these studies, investigations into the interaction…

Geert Prinsen

Expert in hydrology, hydraulics and water management

Mr. Prinsen is an engineer in applied mathematics and has 30 years of professional experience in hydrology, hydraulics and water management. He implemented and applied the computational framework in many water resources management studies in…

Gerard Blom

Director Inland Water Systems

Gerard Blom has a professional career of more than 27 years in water management. He has been working at Deltares since 2010. Currently, he is the director of the Inland Water Systems Unit, leader of…