Prof. Francisco R. Castillo-Soria received a B.S. in Communications and Electronics and an M.Sc. in Telecommunications Engineering from the ESIME Zacatenco in Mexico City, in 1999 and 2004, respectively, and a Doctor of Science degree in Electronics and Telecommunications from the Center for Scientific Research and Higher Education of Ensenada (CICESE), Ensenada, Mexico, in 2015. Since 2017, he has been a Professor at the Faculty of Sciences of the UASLP, San Luis Potosí, Mexico. His main lines of research are MIMO wireless communications, signal processing, spatial/index modulation, multiuser MIMO, AI for 6G, and RIS-assisted communication systems.