Nam Tae Hyun is a former member of the boy group Winner, formed in 2013 by YG Entertainment through the survival show WIN: Who Is Next.
In 2015, while Winner was on hiatus, Tae Hyun made his acting debut in the web drama "Midnight Girl". The same year, he played a supporting role in the drama "Late Night Restaurant".
On October 12 2016 he halted promotional activities and receiving treatment for mental health issues.
On November 25, 2016 it was announced that he had withdrawn from the group and had terminated his contract with YG Entertainment.
In March 2017, he founded a music label, South Buyers Club. Sometime afterwards, the label was renamed to The South. Under the label, Nam debuted the band South Club, of which he is leader, main vocalist, guitarist, and main composer.
In November 2019, he announced that he closed his music label and that the band had signed with new management.