Mixed martial artist known for competing in the featherweight division of the Ultimate Fighting Championship.
He made his MMA debut in 2010 with DEEP. He previously studied with Kyungwoon University.
Despite losing to Cub Swanson in December 2016, both won UFC's Fight of the Night.
Originally from Daegu, he later worked out of Busan, South Korea.
In July 2016, he beat Thiago Tavares and won UFC's Performance of the Night.