Ruki Harwahyu received B.E. degree in computer engineering from Universitas Indonesia (UI), Depok, Indonesia, in 2011; M.E. degree in computer and electronic engineering from UI and National Taiwan University of Science and Technology (NTUST), Taipei, Taiwan, in 2013; and Ph.D. degree in electronic and computer engineering from NTUST in 2018. He is currently an Assistant Professor and Head of the Computer Network Laboratory, Department of Electrical Engineering, Faculty of Engineering, UI. He served as an IT Adviser at the college in 2018; an expert member at UI Greenmetric World University Ranking; and a member of Learning Technology Enhancement Team, Faculty of Engineering, UI. He has obtained certification of IEEE WCP, HCAI, HCNA R&S, CND, CEH Master, CTIA, ECSA, ECSA Practical. As lecturer and researcher, his current research interests include computer and communication networks and Internet of Things (IoT), cyber security, software engineering, and green/sustainable ICT. He serves as a member of editorial board in two reputable international journals in the field of Engineering. He has been involved in organizing several international conferences. He received an Honorary Award from the CTCI Foundation, Taiwan, in 2017.