Guy BESLIN graduated as an electrical engineer from INP Grenoble (1975) and from IAE (Institut d'Administration des Entreprises). He holds a post-graduate diploma in business management and finance and has worked in the energy sector, mainly in electricity production and gas and electricity distribution. At ENGIE (formerly GDF SUEZ), he was an expert in electricity production from 2006 to 2013 and then Technical and Industrial Purchasing Director at the Electricity Production France BU, Renewable Energies Division, contributing to the development of the production fleet and reinforcing the industrialisation of the operation and maintenance of renewable electricity production facilities: onshore and offshore wind turbines, ground-mounted solar photovoltaic power plants. Previously, he worked for EDF from 1999 to 2006 as an expert in the industrialization of renewable electricity production (onshore and offshore wind turbines, tidal turbines) and the integration of renewable electricity production into the energy mix of the future. From 1976 to 1998, he held various positions at Gaz Électricité de Grenoble (GEG): gas and electricity network operations engineer, head of department, director of network operations and energy purchases (gas and electricity) and general manager of electricity production. Between 1987 and 2013, Guy BESLIN joined the management committee of various energy production companies of GEG and the GDF SUEZ group.