JYP Entertainment trainee also known as just Jeongin who rose to fame competing on the 2017 reality show Stray Kids.
JYP Entertainment announced the concept for the Stray Kids in July 2017. However, they projected the band's members wouldn't officially debut until 2018.
In October 2017, JYP Entertainment released the debut Stray Kids single "Hellevator."
He was born in Busan. He has an older and younger brother.
Like Jo Kwon, he has been a trainee at JYP Entertainment.