Bob Ferrier is the Head of the Catchment Research Group at the Macaulay Institute and an Honorary Research Fellow in the College of Physical Sciences, University of Aberdeen. He is a hydrochemist whose research focuses on modeling the consequences of environmental change on water resources and on addressing the global challenge of diffuse pollution. In 2006, he was the first International Flagship Fellow for CSIRO's Water for a Healthy Country Programme advising on research in relation to the protection of the Great Barrier Reef.

Alan Jenkins is the Water Science Director at the NERC Centre for Ecology and Hydrology and an Honorary Professor in hydrochemical modeling in the Department of Geography, University College London. His background is in water quality modeling with particular focus on the impact of diffuse pollutants on headwater streams. He is the chair of the UK Committee for National and International Hydrology and recently completed a term of office on the Bureau of the UNESCO International Hydrology Programme.