Jayendra Kumar is currently working as an Associate Professor with the Department of Electronics and Communication Engineering, Vellore Institute of Technology, Amaravati. He received a Bachelor of Engineering (BE) and Master of Engineering (ME) from Solapur University, Maharashtra, India in 2011 and 2014, respectively, and was awarded a PhD from the National Institute of Technology Silchar, Assam, India in 2018. His current work involves frequency reconfigurable, reduced surface wave (RSW), and high-gain single-element antennas. Prior to this, he worked on electronic bandgap structures (EBGs), ultra-wideband antennas, and mutual coupling reduction in multiple-input–multiple-output (MIMO) antennas. His research interests are dielectric resonator antennas, metamaterials/metasurfaces, conformal antennas, multilayered substrates, and higher-order-mode antennas. He has delivered guest lectures and short-term training programs (STTPs) on microstrip antennas, high-frequency structural simulators (HFSS), MATLAB, and solar energy awareness programs. He is a Senior Member of IEEE and a lifetime member of the Indian Society of Technical Education (ISTE) and is an active reviewer of many reputed journals, including IEEE, Elsevier, MDPI, Wiley, Springer, Taylor & Francis, Nature, etc.