Jaiyong Lee has been a professor at electrical and computer engineering department since 1987, 7 years at POSTECH and 20 years at Yonsei University, Seoul, Korea. As a director of the Advanced RFID/USN Technology center from 2004 to 2012, which was sponsored by the government, he led the technology development in related areas by producing many patents, journal papers and promoted academy-industry collaboration by transferring technologies. As a member of advisor of KIOT(Korea IoT Association) since 2005 and as the president of KICS(Korea Institute of Communication and Information Sciences) in 2012, he led government policies and activated the industries in ICT and especially in IoT areas, and led many international workshops such as WF(world Forum)-IoT 2014 as a co-chair. As a president of Giga Korea Foundation since 2013, he is leading the technology development for next generation ICT technology including 5G and IoT for future services in Korea.

He was the dean of college of engineering and the president of industry- academy collaboration foundation of Yonsei University. He holds the Ph.D in computer engineering from Iowa State University , USA.