Jeong Yun-o (Korean: 정윤오, Romanized: Jeong Yun-o, born February 14, 1997), known as JaeHyun, is a South Korean male singer and member of NCT under SM Entertainment. He serves as the main vocalist, lead dancer, and face of the group. He debuted in April 2016 as a member of NCT, and later in July of the same year as a member of the subgroup NCT 127.
