David Butler is Professor of Water Engineering and Co-director of the Centre for Water Systems at the University of Exeter, UK.

Chris Digman is an Executive Technical Director at Stantec and a Visiting Professor at the University of Sheffield, UK.

Christos Makropoulos is a Professor in the School of Civil Engineering of the National Technical University of Athens (NTUA), Greece, and the Director of NTUA's Laboratory of Applied Hydraulics.

John W. Davies is a Lecturer in Civil Engineering at the University of Plymouth, UK.