ㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤ 𝗕𝗜𝗢𝗚𝗥𝗔𝗣𝗛𝗬 𝗔𝗡𝗗 𝗘𝗔𝗥𝗟𝗬 𝗖𝗔𝗥𝗘𝗘 | ch

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𝗕𝗜𝗢𝗚𝗥𝗔𝗣𝗛𝗬 𝗔𝗡𝗗 𝗘𝗔𝗥𝗟𝗬 𝗖𝗔𝗥𝗘𝗘𝗥

𝗖𝗛𝗔𝗣𝗧𝗘𝗥 𝗜 ָ࣪𓏲˖ ࣪٭࣭ ˖ 𝗝𝗮𝗲𝗵𝘆𝘂𝗻 was born on February 14, 1997, in Gangnam District, Seoul, South Korea. Although he was born Jeong Jae-hyun (정재현), he later legally changed his name to Jeong Yun-o (정윤오). Between the ages of five and 10, Jaehyun lived and studied in Connecticut in the United States and went by the English name Jay Jeong. As a result, he is fluent in both English and Korean. He learned how to play the guitar and the piano after taking lessons as a teenager. Jaehyun attended Shindong Middle School and graduated from the School of Performing Arts Seoul in 2016, majoring in Broadcasting Arts.

𝗖𝗛𝗔𝗣𝗧𝗘𝗥 𝗜𝗜 ָ࣪𓏲˖ ࣪٭࣭ ˖ 𝗝𝗮𝗲𝗵𝘆𝘂𝗻 was cast by SM Entertainment in 2012, discovered by street scouts in front of his school. He auditioned with a performance of "Mama" by Exo. On December 9, 2013, he was introduced as a member of the pre-debut trainee team SM Rookies. In 2014, he participated with fellow NCT members on the show Exo 90:2014, where they performed songs from the 1990s. From January 21 to July 1, 2015, he and groupmate Doyoung were MCs on Show Champion. In July 2015, he and groupmate Ten both competed in Hope Basketball All-Star. In December 2015, Jaehyun performed "A Whole New World" on Disney Channel Korea's The Mickey Mouse Club.