Rafael Florencio received his Licenciado degree in Physics from the Universidad de Sevilla, a Master in Telecommunication Engineering Cum Laude, and a PhD in Telecommunication Engineering Cum Laude and an Extraordinary Doctorate Award, both from the Universidad Politécnica de Madrid. He was an Assistant Professor at the Department of Physics and Mathematics of the University of Alcalá for 2 years. He is currently an Assistant Professor at the Department of Mathematics of the University of Jaén. He has authored over 25 articles in JCR journals and national and international congresses. He also holds an international invention patent funded by the European Space Agency. His research interests focus on the efficient design of dual-polarization and dual-frequency reflectarray antennas for satellite applications, Green's functions of multilayer substrates, Wei–Norman factorization, and alternating projection methods.