Jeffrey McDonnell is Professor of Hydrology and Associate Director of the Global Institute for Water Security at the University of Saskatchewan. His work focuses on rainfall-runoff processes and tracing the catchment water cycle. Dr. McDonnell is the recipient of the 2016 International Hydrology Prize from the International Association of Hydrological, UNESCO and the World Meteorological Organization. He is an elected Fellow of the Royal Society of Canada (Canada’s National Academy of Science), Fellow of the American Geophysical Union and Fellow of the Geological Society of America. He has served as President of the AGU Hydrology Section and is currently Visiting Chair in Water Science at the University of Birmingham and Distinguished Visiting Professor at Tsinghua University and Beijing Forestry University.