Prof. Dr. Jae-Bum Lee received a B.S. degree from Korea University, Seoul, Republic of Korea, in 2010, and M.S. and Ph.D. degrees from the Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea, in 2012 and 2016, respectively, all in electrical engineering. From 2016 to 2019, he was a Senior Researcher at the Korea Railroad Research Institute, Uiwang, Republic of Korea. He is currently an Assistant Professor at the Korea National University of Transportation, Uiwang, Republic of Korea. His main research interests include high-voltage/power transformer design, high-efficiency ac–dc and dc–dc converters, and digital control methods for high-power vehicles.