Main vocalist in the K-pop group ATEEZ that was formed by KQ Entertainment.
He wanted to be an idol due to his love of singing, but he was originally pursuing athletics.
He attended Surak High School. He ranked 43rd on the MIXNINE Showcase JUST DANCE.
He's related to fellow MIXNINE contestant Choi Jiseon.
He was a roommate of fellow ATEEZ member Mingi.