Professional League of Legends gamer who is widely known by his Reapered gamertag. In May 2016, he began his time as head coach for Team Cloud9 following his 2014 retirement from gaming.
He began his professional gaming career with the game Chaos at age 14. He subsequently made his professional League of Legends debut in November 2011.
In December 2012, he finished in 1st place at the IEM Season VII - Global Challenge Cologne League of Legends tournament. He played as a member of SK Telecom T1.
He was born and raised in South Korea.
He has coached William Hartman in League of Legends as the head coach for Team Cloud9.