Didier Sébilleau is a CNRS researcher working at the university of Rennes (FR). He is working on theoretical models and codes to compute the cross-section of spectroscopies using electrons to probe materials (photoelectron/Auger diffraction, LEED, XAS, Auger-Photoelectron coincidence spectroscopy, EELS). He is the lead developer of the MsSpec Code (msspec.cnrs.fr). He is currently the coordinator of the EUSpecLab Marie Skłodowska-Curie doctoral Network (euspeclab.cnrs.fr) which involves 11 PhD students, 15 universities and 8 companies.