Dr. Ko received Ph.D. in 2006 and M.S. in 2002, in Electrical Engineering from Arizona State University, Tempe, AZ USA, and B.S.E. in Information and Communications Engineering from Hannam University, South Korea. After his Ph.D., he worked at Samsung as a senior engineer. In 2008, he returned to academia as a postdoctoral fellow in Electrical and Computer Engineering at the University of Alberta, Canada. He worked in the CCSR/5GiC, University of Surrey, UK, between 2010-2013 as a research fellow and then senior fellow. 

Since 2013, Dr. Ko is a Lecturer in Wireless Communications at the ECIT Institute at the Queen's University Belfast. He has authored or co-authored over 50 publications, mainly in highly ranked IEEE international journals and at peer-reviewed IEEE flagship conferences. Dr Ko is the recipient of several EPSRC grants (e.g., EPSRC First Grant Award). He is on the Editorial Board of the Elsevier Journal on Physical Communications and acts as a member of the EPSRC Peer Review Associate College. Dr Ko has actively been involved in the technical programme committee for major international conferences (e.g., PIMRC2013-present, Globecom2017, VTC2013-present, EW2017).