Graduate from the Conservatoire National des Arts et Métiers (CNAM) and holding a Master's degree in HR & CSR from the Institut d'administration des entreprises (IAE) of Paris Sorbonne, Sandrine Lhenry began her career in the Electricity and Gas Industries (IEG- Industries Electriques et Gazières) in 1999 at EDF Gaz de France Distribution in the customer services sector.