We would like to congratulate Aritz Villar for obtaining her PhDs in Materials Science and Technology from the University of the Basque Country (EHU). On July 17 he made a brilliant defense of his thesis titled tesis ‘Ultrafast All-Optical Switching in Co/Pt multilayer thin films’. The thesis was directed by José María Porro, de BCMaterials, and Paolo Vavassori, from CIC nanoGUNE. Our warmest congratulations to Aritz and his thesis directors!