Cédric Ringenbach is an engineering graduate from the École Centrale de Nantes, a former reserve officer in the French Navy, skipper and sailing instructor on a cruiser, and former director of the think tank The Shift Project (2010-2016) after studying the IPCC's publications. He is the author of the Climate Fresk, and he founded the association of the same name, which he chaired for five years. In 2020, Cédric founded Blue Choice, a consultancy that helps companies raise awareness on climate issues and identify the risks and opportunities of transition.