the EXTRAORDINARY DOCTORATE AWARD in the academic year 2022/2023, within the Area of Knowledge of Engineering and Architecture, to our colleague Jon Mikel Sánchez Severino, PhD. This recognition has been granted highlighting the excellence of the academic work carried out in his PhD Thesis entitled: “Propiedades tribológicas y de fatiga de nuevas aleaciones de Aluminio basadas en el concepto de alta entropía”. His research has explored new aluminum metal alloys; from their computational design to their mechanical behavior, betting on a CircularEconomy model.