Seongjun Lee received his B.S. degree in electrical engineering from Kwangwoon University, Seoul, South Korea, in 2004, and his M.S. and Ph.D. degrees from Seoul National University (SNU), Seoul, South Korea, in 2006 and 2011, respectively. From 2011 to 2016, he worked as a Senior Research Engineer with Samsung Techwin and HyundaiMobis. He is currently an Associate Professor with the Department of Mechanical Engineering, Chosun University, Gwangju, South Korea. His main research interests include modeling and control of power conversion units for renewable energy systems/electric vehicles and control and estimation (SOC/SOH) for battery management systems (BMS).