- Ex-Group C-Pop B.SWAN
- Ex-Project Group: SMROOKIES
- He was apprenticed to SM Entertainment since 2008.
- Appeared at SMTOWN Week 2014.
- Appeared on the VCR together with all the SMROOKIES and SMTown and Shanghai.
- Yong Ju left SM Entertainment in December 2014.
- To The Beautiful You (SBS, 2012) Cameo
YONGZOO TV Programs
- The Fan (SBS, 2018)
- Super Idol (Season 2) (TV Zone, 2016)
- Super Idol (Season 1) (TV Zone, 2015)
YONGZOO TV Drama’s
- Sweet Home theme for Sweet Home (2020)
- Puzzle subject for It’s Okay to Not Be Okay (2020)
- Maze subject for The King: Eternal Monarch (2020)
- The First Noel (besides Kim Yeon Ji, Onestar, Ga Eun, Ra.L, Im Ji Eun, James Kang and Samma Choir) subject for When the Camellia Blooms (2019)
- You Look Like a Vitamin To Me (besides Motte ) theme for When the Camellia Blooms (2019)
- Think About You theme for The Third Charm (2018)
- In Your Eyes theme for Are You Human Too? (2018)