Jeong Jae Hyun (born Jeong Jae Hyun, and legally changed his name to Jeong Yun Oh) is a South Korean singer, songwriter, dancer, actor, and rapper of the South Korean group NCT.

Jeong joined SM Entertainment in 2012 after being discovered by street scouts in front of his school. Prior to his debut, he was known for appearing in various remake music videos such as H.O.T’s Hope and Kim Minkyo’s The Last Game.

On December 9, 2013, he was introduced as a member of the pre-debut trainee team SMROOKIES. In April 2016, Jaehyun officially debuted as a member of NCT, in the first sub-unit NCT U, with the singles "The 7th Sense" and "Without You." On July 10, he debuted as a member of the second sub-unit NCT 127 with the mini album "NCT #127."

Apart from his idol career, Jaehyun made his acting debut as the male lead in the drama “Dear M” in 2022. Jeong is also well-known in the fashion industry, and he was selected as a PRADA brand ambassador for South Korea.

Jeong, along with his NCT 127 members Doyoung and Jungwoo, is part of the NCT subunit called NCT DoJaeJung. The subunit debuted on April 17, 2023, with 'Perfume.'

He enlisted as an active duty soldier on November 4, 2024.

(Source: smtown-nctzens.fandom) Edit Biography