André Obregón is a Senior Technical Officer at the Copernicus Climate Change Service (C3S) which is implemented by the European Centre for Medium-Range Weather Forecasts (ECMWF) on behalf of the European Commission. He oversees the development of a quality assurance framework to ensure climate information provided by the service meets the needs of society. Before joining ECMWF, he was the Climate Coordinator at the Secretariat of the Group on Earth Observations (GEO), an intergovernmental partnership advocating for full and open access to Earth observation data, information and knowledge. André liaised closely with international bodies including the Global Climate Observing System (GCOS) and the Committee on Earth Observation Satellites (CEOS), and supported climate-related activities in areas, such as agriculture, biodiversity, disasters, energy and urban areas. He worked at the German Meteorological Service (DWD) where he was responsible for setting up the satellite-based climate monitoring component within WMO’s Regional Climate Centre for Europe and the Middle East. At DWD, he was part of a preparatory project for the C3S. For many years, he served as lead author for the European chapter of the BAMS Annual State of the Climate Reports. He holds a PhD in Geography from Marburg University.