YongGyoo Lee is Senior Vice President of Network Strategy Business Unit of KT. In this role, he is in charge of developing network strategy which includes formation of future-proof network architecture, roadmap for next-generation evolution of KT’s network, spectrum strategy as well as t standardization. He has been worked as Alternate Board Member of KT for NGMN since 2015.Currently, he is in charge of the development of KT’s 5G pre-commercial system for 2018 PyeongChang Winter Olympic Games and 5G commercial service system. He has successfully coordinated KT 5G activities since January 2015.He made the critical contribution when KT won the "Outstanding LTE Contribution and Outstanding Overall Mobile Technology-The CTO’s choice" at GSMA MWC GLOMO Award 2014, held in Barcelona and "Most Significant Development for Commercial LTE Network by an Operator" at LTE Award 2012.