Tim Davie is Chief Scientist at the Canterbury Regional Council which controls natural resource management, including water resources, in New Zealand's largest region. Previously he has worked as a research scientist at Landcare Research NZ Ltd and as a university lecturer in Environmental Science and Geography at Queen Mary College, University of London.

Nevil Wyndham Quinn is an Associate Professor in Applied Hydrology at the University of the West of England, Bristol, where he works within the Department of Geography and Environmental Management and the Centre for Water, Communities and Resilience.