She graduated from Byeongjeom High School and is currently attending Kyung Hee University, majoring in Post Modern Music.

On April 13, 2010, she was a featured artist in Lee Hyo-ri's fourth album H-Logic with the song "Bring It Back" together with After School's Bekah.

[10] During Unpretty Rapstar, Jiyoon released a solo song featuring Jung Il-hoon called "This Ain’t Me" during the semifinals.

On 13 June 2016, Cube Entertainment announced that 4Minute decided to disband and the members, excluding HyunA, were still in discussion on whether they will renew their contracts.

[13][14] On August 8, 2016, Jiyoon has signed an exclusive contract with JS E&M, which also houses artists such as actors Seo Ha-joon, Byun Jung-soo, Yang Mi-ra and Chun Jung-myung, as well as South Korean girl group Tren-D.

The agency announced her solo debut plans and actively support her from music to acting and also on variety shows, citing her as having "unlimited potential".

[18][19] Jiyoon debuted as a solo artist on November 2, 2016 by the stage name "Jenyer", with the single album Day and Night.