𝐇aechan was born on June 6, 2000 in 𝐒𝐄𝐎𝐔𝐋, 𝐒outh 𝐊orea. He lived in Seoul, South Korea, until he was 7 years old, then moved to Jeju, South Korea and stayed there for about 5 years. Then moved to Seoul, South Korea to join 𝐒𝐌 𝐄ntertainment. Haechan continued his education at the Seoul School of Performing Arts in Seoul.
𝗛𝗜𝗦𝗧𝗢𝗥𝗬 𝗢𝗡 𝗡𝗖𝗧
𝐉uly 10, 2016: Made his debut on the sub-unit 𝐍𝐂𝐓 127 with the first mini-album, NCT #127. August 24, 2016: Made his debut on the sub-unit NCT Dream with the first digital single, "Chewing Gum". March 14, 2018: Participated on the project unit NCT 2018 with the first full album, NCT 2018 Empathy. August 11, 2018: Made a special participation in the sub-unit NCT U with the special stage of "I Wanna Be a Celeb". December 13, 2019: Made his debut on the sub-unit NCT U with the digital single, Station X 4 LOVEs for Winter Part.2 track song, "Coming Home". October 12, 2020: Participated on the project unit NCT 2020 with the second full album, NCT Resonance Pt. 1. November 23, 2020: Participated on the project unit NCT 2020 with the second full album repackage, NCT Resonance Pt. 2. December 4, 2020: Participated on the project unit NCT 2020 with the second full album final single, Resonance.
𝗛𝗜𝗦𝗧𝗢𝗥𝗬 𝗢𝗡 𝗡𝗖𝗧
𝐉uly 10, 2016: Made his debut on the sub-unit 𝐍𝐂𝐓 127 with the first mini-album, NCT #127. August 24, 2016: Made his debut on the sub-unit NCT Dream with the first digital single, "Chewing Gum". March 14, 2018: Participated on the project unit NCT 2018 with the first full album, NCT 2018 Empathy. August 11, 2018: Made a special participation in the sub-unit NCT U with the special stage of "I Wanna Be a Celeb". December 13, 2019: Made his debut on the sub-unit NCT U with the digital single, Station X 4 LOVEs for Winter Part.2 track song, "Coming Home". October 12, 2020: Participated on the project unit NCT 2020 with the second full album, NCT Resonance Pt. 1. November 23, 2020: Participated on the project unit NCT 2020 with the second full album repackage, NCT Resonance Pt. 2. December 4, 2020: Participated on the project unit NCT 2020 with the second full album final single, Resonance.