Prof. Keum Cheol Hwang is a Professor at the Department of Electronic and Electrical Engineering, Sungkyunkwan University, Suwon, Korea. He received a B.S. degree in electronics engineering from Pusan National University, Busan, South Korea, in 2001, and the M.S. and Ph.D. degrees in electrical and electronic engineering from Korea Advanced Institute of Science and Technology (KAIST), Daejeon, South Korea, in 2003 and 2006, respectively. From 2006 to 2008, he was with Samsung Thales, Yongin, South Korea, where he was involved in the development of various antennas for wireless communication and radar systems. From 2008 to 2014, he was an Associate Professor at the Division of Electronics and Electrical Engineering, at Dongguk University, Seoul, South Korea. In 2015, he joined the Department of Electrical and Computer Engineering, at Sungkyunkwan University, Suwon, South Korea, where he is currently a Professor. His research interests include advanced electromagnetic scattering and radiation theory and applications, the design of multi-band/broadband array antennas, and optimization algorithms for electromagnetic applications. He is a Life Member of KIEES and a member of IEICE.