Prof. Spyros Papaefthymiou is a Mining and Metallurgical Engineer. He graduated from the National Technical University of Athens (NTUA: in Greek: “Ethniko Metsovio Polytechnio”) in 2000 and received the academic degree of “Dr.-Ing.” in 2005 from RWTH Aachen University, Germany. As a researcher in Aachen and in Delft (at the Technical University of Delft, The Netherlands) he focused on Advanced High-Strength Steels (AHSS) for the automotive industry, e.g., TRIP (Transformation-Induced Plasticity), DP (Dual-Phase), CP (Complex-Phase) steels. After more than 10 years of professional activity in the Greek Industry, he was appointed lecturer in 2014 at the NTUA and engaged in consulting activity. In 2015, he was elected and appointed Assistant Professor. In 2020, he was elected and appointed Associate Professor at the Laboratory of Physical Metallurgy, Division of Metallurgy and Materials of the School of Mining & Metallurgical Engineering of the NTUA. In March 2024, he was appointed Full Professor at the School o