Ja-ryeong Koo received an M.Sc. in computer science from Texas A&M University at College Station in 2008 and a B.S. in computer engineering from Kyung-Hee University, Korea, in 2003. He is currently a deputy manager at LG UPLUS. He has been working on the CDN platform and networking for IPTV broadcasting, including mobile IPTV, particularly the video portal.