Hyunjin (Hangul: 현진; Katakana: ヒョンジン) was born on March 20, 2000 (age 21) in Seoul, South Korea. He is the main dancer, lead rapper, sub-vocalist and the visual of the group Stray Kids.
Hyunjin was born in Seongnae-dong, Gangdong-gu, Seoul, South Korea, on March 20, 2000. He grew up with a pet dog and sometimes visited Las Vegas, where he used his English name Sam. Once when he was shopping with his mother, he was scouted by JYP Entertainment to become a trainee.
As a trainee Hyunjin appeared in the reality show Stray Kids along with the Stray Kids members and Itzy members. He ended up debuting with Stray kids in their first album I AM NOT and their leading single District 9.
Source: stray kids fandom