TONGPIAN PROMBUD received his B.Eng., M.Eng., and D.Eng. degrees in Electrical Engineering from King Mongkut’s Institute of Technology, Ladkrabang, Bangkok, Thailand, in 2006, 2012, and 2021, respectively. Since 2019, he has served as a lecturer in the Department of Electrical Engineering, Faculty of Engineering, Rajamangala University of Technology Krungthep, Bangkok, Thailand, where he is currently an Assistant Professor of High-Voltage Engineering and the Head of a High-Voltage Research Center. His research interests include high-voltage engineering, particularly regarding nanocomposite high-voltage insulation materials, the diagnostics of high- voltage insulation systems, high-voltage testing and measurement techniques, and partial discharge analysis.