Singer-songwriter who originally came to fame as a contestant on the second season of the SBS singing competition K-pop Star. In 2015, he made his official debut with the Dorothy Company with the single "Angel 2 Me."
He was born in San Diego, California.
As a songwriter, he wrote the song "Touch" for the six-piece boyband known as Shinhwa.
His Korean name is Kim Joo-hyun.
He competed against Nam Dawon on K-pop Star 2.