International Grandmater of Memory - Dan 1
As one of the best Korea memory athletes, he founded the Korea Memory Sports Council and began to promote the sports in Korea in 2016.
In 2017, he organized the First Korea Memory Championship and successfully attracted over 100 memory athletes to join.
Gyewon is also an author. His first book, Steal the Sherlock's Memory, is one of the best-sellers in Korea.