Rakhesh Singh Kshetrimayum is a Professor in the Department of Electronics and Electrical Engineering, Indian Institute of Technology, Guwahati. He received his Ph.D. degree from Nanyang Technological University, Singapore. Prior to joining the Indian Institute of Technology, Guwahati, he did Postdoctoral research in the Department of Electrical Engineering, Pennsylvania State University and the Department of Electronics and Communications Engineering, Indian Institute of Science, Bangalore. He is a Life Fellow of the Institution of Engineering and Technology (IETE), Antennas Test and Measurement Society of India and a Senior Member of Institute of Electrical and Electronics Engineers (IEEE). His research areas include printed monopole antennas, passive microwave devices and wireless communications.