ANNY CAZENAVE is a French space geodesist and one of the pioneers in satellite altimetry. She works for the French space agency CNES and the Laboratoire d’Etudes en Geophysique et Oceanographie Spatiale (LEGOS) in Toulouse. Between 2013 and 2021, she was director of Earth sciences at the International Space Sciences institute, in Bern, Switzerland. As one of the leading scientists in the joint French/American satellite altimetry mission TOPEX/Poseidon and the following Jason missions, she contributed to a greater understanding of sea level rise caused by global warming. Cazenave served in the Intergovernmental Panel on Climate Change as lead author of the sea level chapters for their fourth and fifth Assessment Reports. She is a member of the French Academy of Sciences (2004) and foreign member of several other scientific academies, including the National Academy of Sciences (USA, 2008) and the Royal Society (UK, 2021). She received several prizes and awards, including the Bowie Medal of the American Geophysical Union (2012), the BBVA ‘Frontiers of Knowledge’ Award, category ‘Climate Change’, shared with John Church and Jonathan Gregory (2019) and the Vetlesen Prize, Columbia University (2020).