Dr. Shuttleworth worked for 20 years at the UK’s Institute of Hydrology, ultimately as Head of the Hydrological Processes Division. In 1993 he joined the University of Arizona where he is Regents’ Professor in both the Department of Hydrology and Water Resources and the Atmospheric Sciences Department. He has served on numerous national and international scientific advisory committees, including the National Research Council, the International Council of Scientific Unions, the International Hydrology Programme, the International Geosphere-Biosphere Programme, and the World Climate Research Programme. In 2001 Dr. Shuttleworth was awarded the AGU Hydrology Prize for “outstanding contributions to the science of hydrology”, and in 2006 IAHS, UNESCO and WMO jointly awarded him the prestigious International Hydrology Prize.