Emeritus Professor of Hydrogeology at the Faculty of Geosciences of Utrecht University and Senior Professor at Stuttgart Center for Simulation Science (SIMTECH), Integrated Research Training Group SFB 1313, Stuttgart University, Germany.
Research interests: Theoretical, computational, and experimental studies of two-phase flow and transport of solutes, viruses, and colloids in porous media; pore-scale modelling (pore-network models, Discrete Element methods, and SPH); micromodel experiments of two-phase flow and colloid transport; soil and groundwater remediation; flow and transport in industrial porous meida (fuel cells, diapers, coated paper, medical tablets),
More than 300 publications in journals, books, conference proceedings, or as technical reports.
Total no. of citations: Scopus >9100; Google Scholar >14250; h-index Scopus: 48; h-index Google Scholar: 58; i10-index: 156
Editor of the book series "Theory and Applications of Transport in Porous Media", Springer Publishers (since 2014), and on the editorial boards of Transport in Porous Media (since 1989), Journal of Porous Media (since 2009), and Special Topics & Reviews in Porous Media; An International Journal, (since 2010). and member of International Advisory Board of Journal of Hydrologic Engineering (since 2004).
Major recognitions and awards:
Robert E. Horton Medal for Lifetime Achievements in Hydrology, AGU, 2019
Royal medal of honor of The Netherlands, Ridder in de Orde van Nederlandse Leeuw (Knight in the Order of Netherlands Lion), 2015
Recipient of Advanced Investigator Research grant of ca 2.3 Million Euro from the European Research Council, 2013.
Distinghuished Henry Darcy Lecturer, US National Groundwater Association, 2012
Don and Betty Kirkham Soil Physics Award, SSSA, 2011
von Humboldt Prize, 2010
Honorary degree of Doctor-Ingenieur from Stuttgart University, 2008
Elected Fellow of American Association for Advancement of Science, 2007
Elected Fellow of American Geophysical Union, 2002.