Harry leads the Water Resources Systems Group at UKCEH. He is a hydrologist specializing in the measurement, management, and assessment of hydrometric data. He has extensive experience working in the UK and internationally on projects related to the collection and management of hydrological data and information. Harry is a member of the World Meteorological Organization's (WMO) Hydrological Coordination Panel and chairs the Global Hydrometry Support Facility (WMO HydroHub) Advisory Council.