Woo Ji Seok, later legally changed to Woo Tae Woon, is a South Korean singer, dancer, producer and former member of COED SCHOOL (남녀공학) and SPEED (스피드). He attended Tokyo Polytechnic University but dropped out to focus on his dream of becoming a singer. He later obtained an associate's degree in Theatrical and Media Studies from Myongji College. He's the older brother of rapper Zico, and before debuting, both were potential BLOCK B candidates, but he switched agencies.

He made his debut in September 2010 as COED SCHOOL's lead rapper and vocalist with their first digital single, "Too Late". However, MBK Entertainment (MBK엔터테인먼트, formerly known as Core Contents Media) opted to create two separate groups, one for the boys and another for the girls. He re-debuted in January 2013 as SPEED's original leader, main rapper, vocalist and face of the group with their digital single "Speed of Light".

He decided to leave the group in January 2015, 10 months before it disbanded in November of that year. He enlisted for his mandatory military service on March 15, 2018, and was discharged on February 5, 2020.

He spent 13 years under Million Market but is now an independent artist and a producer under the stage name ₩uno. He also promotes occasionally as a duo with former group mate IONE.

(Source: MyDramaList) Edit Biography