He made his acting debut through the hit 2013 cable drama Reply 1994 and additionally received critical acclaim for his role in the television series God's Gift: 14 Days (2014) and Angry Mom (2015).

[2] Baro was first discovered by a company representative who came across his photo posted on his friend's homepage on social network service Cyworld.

At his audition, Baro sang Sumi Jo's "Once I Leave" and Sung Si-kyung's "The Road to Me", in addition to rapping and beatboxing.

[5][6] In November 16, WM Entertainment has announced that B1A4 members Jinyoung and Baro will be leaving the agency, with the remaining three members—CNU, Sandeul, and Gongchan—to continue promoting as B1A4.

[8][full citation needed] On June 5, 2013, while preparing for B1A4's follow up single "Starlight's Song", Baro strained his ankle ligament.