Alejandro Aragón-Zavala received a B.Sc. degree in Electronics and Communications Engineering from the Tecnológico de Monterrey Campus Querétaro, Mexico, in 1992; an M.Sc. degree in Satellite Communication Engineering from the University of Surrey, U.K., in 1997; and a Ph.D. degree in Antennas and Propagation from the Centre for Communication System Research, University of Surrey, in 2003. He worked as a Senior In-Building Radio Consultant with Cellular Design Services Ltd., U.K., from 1998 to 2003 and as the Program Chair and the Head of the Electronics Department at Tecnológico de Monterrey Campus Querétaro from 2003 to 2011. He also worked as a Senior Radio Consultant for Real Wireless Ltd., UK. from 2009 to 2022. He is currently an Associate Professor at the Computing Department with the School of Engineering and Science at Tecnológico de Monterrey Campus Querétaro, and a Wireless Expert Consultant. He is the author of more than fifty research papers, two e-books and three books on wireless communications aspects with Wiley and Sons, UK. His research interests include indoor radio propagation, high-altitude platforms (HAPS), antenna design, vehicular technologies, and channel modelling.