Kim Yong Seok is a South Korean singer, dancer, actor and member of CROSS GENE (크로스진). He graduated from Seoul Sports High School and is enrolled in the Theater Arts program at the Digital Seoul Culture and Arts University.

He made his debut as the group's main vocalist in June 2012 with their first mini-album "Timeless: Begins" under Amuse Inc. (株式会社アミューズ). The group promoted in both South Korea and Japan and enjoyed some success in their early years.

He made his theater debut in 2014 with a role in the musical "Naeyeope The Stage" and also appeared in the movie "ZEDD" alongside his group mates.

In late 2019, he left Amuse after deciding not to renew his contract but remain part of the group. He enlisted for his mandatory military service on November 17, 2020, and was discharged on May 16, 2022. During his service, the group went into an indefinite hiatus, and while it has not disbanded, only 3 members officially remain.

(Source: MyDramaList) Edit Biography