Thierry PRIEM, Storage and Flexibility Solution Program Manager at CEA, has an engineering degreefrom the elite French “Ecole Polytechnique” and “Ecole Nationale Supérieure des Mines de Paris”. He also has a PhD insolid-statephysics.Thierry Priem has a broad technical and scientific background at CEA (French Alternative Energies and Atomic Energy Commission) in different research fields: material science, new energies, etc.Thierry Priem teaches in several engineering schools and is regularly involved in national and European expert missions. For 4years,Thierry Priem has been at the head of a service of 60 people involved in new energies (hydrogen and fuel cells, photovoltaics, etc.). He has also an experience in technology transfer and negotiation with industrial partners. Mid-2007, he has been the Hydrogen & Fuel Cell Program Manager within the Direction of the New Technologies for Energy at CEA in Grenoble. In 2014, he joined the Scientific Direction at CEA/LITEN.Since 2020, he is Storage and Flexibility Solution Program Manager at CEA. He is also member of the Board of the FCH-JU2 Research Grouping “Hydrogen Europe Research”.