Kim Jong-dae, better known by his stage name, Chen (Korean: 첸), is a South Korean singer and songwriter. He is a member of the South Korean-Chinese boy band Exo, its subgroup Exo-M and its subunit Exo-CBX, and participated in SM's projects SM the Ballad. He is predominantly known for his role as the vocalist of Exo. Apart from his group's activities, Chen has also recorded songs for various television dramas, most notably "Best Luck" for It's Okay, That's Love (2014) and "Everytime" for Descendants of the Sun (2016).

Exo is a South Korean boy band based in Seoul formed by SM Entertainment in 2011 and debuted in 2012. The group consists of nine members: Xiumin, Suho, Lay, Baekhyun, Chen, Chanyeol, D.O., Kai and Sehun. They are noted for releasing music and performing extensively in Korean, Mandarin and Japanese.