Career
After the group disbanded, he founded and became chief executive officer of YG Entertainment, one of the biggest record companies in South of Korea. Seo Taiji & Boys was formed in 1991 with Seo Taiji, Lee Juno and Yang Hyun-Seok. The group was influential on the Korean music scene, famous for their single, "Nan Arayo" (Hangul: "난 알아요", "I Know").
The group received criticism for various albums, most notably for the song, "Shidaeyugam" (Hangul: 시대유감, "Regret of the Times"), to which the fan out lash led to the abolishment of the Pre-censorship law in 1996.
The group disbanded in 1996, with each member pursuing solo activities. In 1998, he established YG Entertainment and released his first solo album which featured a song composed by Seo Taiji.
This was their first collaboration since the breakup. Yang Hyun-Suk has produced hugely successful artists under his entertainment, most notably Jinusean, 1TYM, Se7en, Big Bang, and 2NE1.
Recently, Tablo, Epik High, and PSY joined the company.
After 2012, the company took Lee Hi, Akdong Musician, WINNER, iKON, Bang Ye-dam and Katie Kim under their label.