Usman Illahi received a B.Sc. degree in electrical engineering from the NWFP University of Engineering and Technology, Peshawar, Pakistan, in 2007; an M.Sc. degree in electronic communication and computer engineering from the University of Nottingham Malaysia, in 2013; and a Ph.D. degree in electrical and electronic engineering from Universiti Kuala Lumpur, Malaysia, in 2019, with a focus on antenna microwave communication systems and especially antennas, such as dielectric resonators antennas, circularly polarized antennas, wideband antennas, and wearable antennas.