Joobum Kim was born in Seoul, Korea. He received his BE in Electronic Communication Engineering at Kwangwoon University in 1999, received his MS in Information and Communications at Gwangju Institute of Science and Technology (GIST) in 2002 and received his Ph.D. in Telecommunications Engineering at The University of Texas at Dallas in 2016. He worked as a senior researcher in Telecommunication Systems Division at Samsung Electronics from 2002 to 2005 and has been working as a senior researcher in the KREONET center at Korea Institute of Science and Technology Information (KISTI) since 2005. His research areas of interests are Queueing Analysis, Routing and Spectrum Allocation, Elastic Optical Network (EON), Software-Defined Networks (SDN) and Internet of Things (IoT).