Hessel Winsemius
Hydrologist,
Rainbow Sensing
Hessel is a trained hydrologist with nearly 20 years of experience in flood and drought risk modelling, monitoring, and forecasting, working from global to local scales. His work at Deltares and with organizations such as the World Bank and the insurance sector has focused on flood risk management and decision support. Over the past five years, his research has emphasized co-designed, locally sustainable technologies for natural hazard monitoring, for local users and entrepreneurs, as well as national and international stakeholders. He is the creator of OpenRiverCam, the first fully open-source ecosystem for real-time camera-based river monitoring.
Sessions
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08-Oct-2026Developments in Earth System Measurements and TechnologiesDemocratizing River Flow Observations Through Open Knowledge and Local Business Models









