Dan Cristian Popa, Ph.D., is an Associate Professor with the Department of Electrical Machines and Drives at the Technical University of Cluj-Napoca, Romania. Born on August 7, 1978, in Satu Mare, Romania, he received his B.Sc. (2002), M.Sc. (2003), and Ph.D. (2008) degrees in Electrical Engineering from the Technical University of Cluj-Napoca. His research focuses on the design, modeling, and optimization of electrical machines, with particular interests in induction machines, transformers, reluctance machines, electric mobility, renewable energy applications, and the sustainable use of critical materials in electrical engineering. He has authored numerous scientific publications in international journals and conference proceedings and is actively involved in research projects addressing advanced electric machine technologies and the green energy transition.