Professional League of Legends coach and gamer who is widely known by his kkOma gamertag. He has gained popularity as coach for SK Telecom T1's League of Legends team.
He began his competitive gaming career playing StarCraft 2. He would later leave for League of Legends in 2012 and join Team StarTale.
He coached Team SK Telecom T1 to 3 consecutive 1st place tournament finishes in 2016. He had previously earned his first tournament win as coach in December 2012 at the IEM Season VII - Global Challenge Cologne.
He was born and raised in South Korea.
He has coached SK Telecom T1 League of Legends gamer Lee Sang-Hyeok.