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Matthieu Guesné
Board of directorsLhyfe2025

Chairman and Chief Executive Officer
Matthieu Guesné is an electronics and IT engineer. A father of two, he has acquired a strong international, business and scientific culture over the course of his career.
He was Director of the Commissariat à l’énergie atomique et aux énergies alternatives (CEA) Tech Pays de la Loire and Bretagne, dedicated to marine renewable energies and their storage. This research centre specialises in energy storage using batteries and hydrogen, robotics and materials. The CEA is a French public research body responsible for 40% of French patents on hydrogen technology. Matthieu Guesné was in charge of an investment plan worth tens of millions of euros. He also managed the creation of the team, as well as the contractualisation of R&D partnerships with industrialists and the execution of research work within a public/private framework.
Before joining this public research organisation, Matthieu Guesné was responsible for business and commercial functions. He has signed contracts worth several tens of millions of euros all over the world with major manufacturers in the space, aeronautics, defence, automotive and telecommunications industries.
Matthieu Guesné was the International Sales Director of an SME specialising in hyperfrequency electronics and managed partners in over 30 countries, enabling him to travel the world and acquire a strong international culture. Finally, he worked as Key Account Manager at Hewlett-Packard in the test and measurement division (Keysight today).
End of term: annual general meeting called to approve accounts of the financial year ending 31 December 2027 accounts, to be held in 2028.