Pre-debut: Win: Who Is Next

Prior to his debut as a member of Winner, Nam performed as a backup dancer for the YG Family Concert 2011.

In 2013, he competed in the reality program Win: Who Is Next as a trainee in "Team A", which he went on to debut as a member of group Winner.^[4] Nam co-composed and co-wrote two songs that were used to compete on the show.

2014–2015: Official debut, 2014 S/S, and television appearances

Nam participated in the production of Winner's debut album, 2014 S/S, which was released in August 2014. He co-composed three songs from the album – "But (사랑하지마)", "Tonight (이 밤)" and his solo track "Confession (고백하는거야)".^[5] The album topped several charts, including the Gaon Music Chart as well as the Billboard's World Albums Chart.^[6]

In 2015, while the group was on hiatus, Nam made his acting debut on web drama Midnight Girl.^[7] That same year, he played a supporting role in the drama Late Night Restaurant.^[8] He was also cast in the joint Chinese-Korean production Under the Black Moonlight.^[9]

2016: Exit : E, television appearances, and departure from Winner

In January 2016, Nam released the single "Pricked" (사랑가시) in collaboration with Mino as a warm-up track ahead of Winner's EP Exit : E.^[10] The single charted at number two on MelOn.^[11]

After nearly 18 months of hiatus, Winner's comeback mini-album Exit : E was released on February 1. The album featured five tracks, including "Pricked", and double title tracks "Baby Baby" and "센치해 (Sentimental)". Nam played a major role in the production of both title tracks, as well as for his solo "좋더라 (I'm Young)".^[12]

In March 2016, Nam joined tvN's Actor School, a variety show featuring seven stars going through a series of trainings by actor Park Shin-yang, in order to brush up on their acting skills.^[13][14]

On October 12, YG Entertainment stated that Nam would be halting promotional activities and receiving treatment for mental health issues. As a result, Winner's comeback was delayed indefinitely.^[15] Later, on November 25, it was announced that he had withdrawn from the group and had terminated his contract with YG Entertainment.^[16][17] The following day, he posted a handwritten letter on his personal Instagram account containing his apology, gratitude to fans and pledge to return with other music and projects.^[18][19]

2017–present: Music creations and South Buyers Club

Nam continues sharing his music creations and covers on his SoundCloud account,^[20] including a cover of Radiohead's "Creep", Park Hyo-shin's "Beautiful Tomorrow", and "Breath (숨)". His influences arise from artists across many genres, such as Nirvana, The Beatles, The Rolling Stones, B.B. King, and Eric Clapton. He then created a Tumblr site on January 5,^[21] posting announcements and communicating with fans from time to time. On January 23, Nam started recruiting applications for his upcoming band.

On March 25, Nam, together with his rumored band, South Club, held a guerrilla show at Pet Sounds Bar in Korea. The 30-minute show was livestreamed on platforms such as Instagram, and popular China video-sharing platform Miaopai. South Club performed a total of four songs, including tracks from The Beatles and Foster the People.^[22] On April 11, Nam announced that his music label "South Buyers Club" has officially been registered as of March 30.^[23] On May 26, South Club released the music video for their first pre-release track "Hug Me," which was a ballad rock track.^[24]

South Club's first EP 90 was released on June 27, along with music videos for the two title tracks: "Liar" and "I got the Blues.". The name of the album was inspired by the expression of freedom of youths in the 90s. It was also due to the fact that all members of the band were born after the year 1990.^[25] On July 9, the band came back with their first single titled "아니 (No)".^[26] After the member Yooni's departure,^[27] the band's first release as a four piece was the second single "누굴 위한 노래인가요 (Who Is This Song For?)", which became available for streaming on December 5, 2017.^[28]

Radio DJ

On July 31, 2017, Nam started his career as a radio DJ.^[29] He broadcast live on the Casper Radio Vlive channel on Mondays, at 11pm, to talk about various topics and to share his music with his fans. On his 32nd broadcast, on April 9, 2018, Nam announced that he would be doing his last broadcast on May 7, in order to focus more on his music.^{[citation needed]}

Singles as a lead artist

Singles as a featured artist

Television

Radio