Mihai Oproescu is a Professor and PhD supervisor at the National University of Science and Technology POLITEHNICA Bucharest, Romania. He received his B.Sc. degree in Electronics (2003) and his Ph.D. degree in Electronics and Telecommunications (2011) from the University of Pitești. His research activity focuses on the synthesis, structural and functional characterization of nanostructured materials, including metal oxides, with applications in energy conversion, photovoltaic systems, and advanced electronic devices. He has coordinated and participated in numerous national and international research projects funded through Horizon 2020 and UEFISCDI programs. Dr. Oproescu has authored over 250 scientific publications indexed in Web of Science and Scopus, including articles and book chapters published by Springer and other international publishers. He is an IEEE member and actively involved in editorial work and the organization of international scientific conferences in the fields of materials science and applied electronics.