Jang Jin-young made his debut as the lead singer of the boy group
Black Beat which was formed by
S.M. Entertainment in 2002. The five-member group released their first album
Volume 1 – Black Beat #2002 but has been inactive since 2006. He also became a member of the duo 'by JINSUNG' before debuting in 2011 as a solo artist with the release of the single "시간이 흐른 뒤 (Another Time)" and
mini album Vocalist. In 2013, he founded his own voice coaching company called A-Top Company with fellow SM Entertainment vocal coach Kim Sung-pil and became the
CEO. The company has since trained artists such as
Exo,
BTS,
Red Velvet,
NCT,
aespa and
Dean He participated as a vocal trainer for S.M. Entertainment in the reality-survival show,
K-pop Star and gained popularity in 2017 after appearing in the second season of ''
Sister's Slam Dunk'' where he earned the nickname "지충쌤" or "Mr. Serious" for his training style. On June 23, he collaborated with
The Barberettes for the song "Stranger's Love" which was released as part of the second season of
SM Station, a special digital music project in which S.M. Entertainment releases a single every week. In July, he became a vocal trainer for the
Mnet reality girl group survival show,
Idol School along with
S.E.S member
Bada. In 2023, he appeared as a vocal trainer in the
MBC reality competition program
Fantasy Boys. ==Personal life==