David Butler, FREng 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 Visiting Professor at the University of Sheffield, UK.

Christos Makropoulos is 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.