Giovanni Maria Sardi earned an MD in Telecommunication Engineering (2008) and a Ph.D. in Electromagnetic Engineering (2012) from the University of Siena (Italy). He is now a Permanent Researcher at the Institute of Microelectronics and Microsystems, National Research Council of Italy (CNR-IMM). His research interests include high-frequency components and microsystems, such as antennas, metamaterials, RF-MEMS, high-frequency systems, and devices for telecommunications, aerospace applications, and sensing. He serves as a Reviewer for IEEE and MDPI.