Oh Hee Jun, known professionally as Woo Je Yeon, is a South Korean singer, dancer and former member of KNK (크나큰). He graduated from Seoul Performing Arts High School and later obtained a bachelor's degree in Tourism & Leisure Aviation Management from Kyung Hee Cyber University.

Before debuting, he spent several years as a trainee at FNC Entertainment and was also the vocalist and guitarist of KOKOMA BAND (꼬꼬마 밴드). After arriving at YNB Entertainment, he appeared in music videos of their label mate, Bestie, and performed as a backup dancer for the girl group.

He made his debut in February 2016 as the group's lead rapper and vocalist with a showcase and the release of their first single, "Knock".

In mid-2018, YNB faced financial problems, and the company ceased operations, leaving the members without a contract and an agency. In early 2019, they signed with 220 Entertainment (220엔터테인먼트) and had several tours in the US and in Europe. However, after the promotion of their third EP, the group went on hiatus.

He made his debut as a solo artist in October 2021 with the digital single "Night".

In early 2022, it was announced he was leaving KNK after his contract expired, and he decided not to renew it. He became an actor and started using the stage name Woo Je Yeon.

He enlisted for his mandatory military service on December 12, 2023, and will be discharged on June 11, 2025.

(Source: MyDramaList) Edit Biography