Gumgum Darmawan received the bachelor’s degree in statistics from Padjadjaran University, the master’s degree in statistical science from Institut Teknologi Sepuluh November (ITS), Surabaya, and the Ph.D. degree in mathematics from Gadjah Mada University, in 2017. He is currently a Lecturer with the Department of Statistics, Padjadjaran University. His research interests include time-series analysis, statistics computation, and queueing systems.