Chung-I G. Hsu graduated from the National Taipei Institute of Technology, Taipei, Taiwan, in 1980. He received the M.S. degree from the University of Mississippi, Oxford, MS, USA, in 1986, and the Ph.D. degree from Syracuse University, Syracuse, NY, USA, in 1991. In Spring 1992, he was with the Microwave and Electromagnetics Laboratory, Texas A&M University, College Station, TX, USA, as a Visiting Scholar, where he did research on modeling of microstrip antennas. In 1992, he joined the Department of Electrical Engineering at Dayeh University, Changhua, Taiwan, as an Associate Professor. Since 2008, he has been with the National Yunlin University of Science and Technology, Yunlin, Taiwan. His current research interests include antenna design and passive microwave circuit design.