Name: Lee Seunghoon (이승훈)
Birth date: January 11, 1992
Hometown: Busan, South Korea
In 2011, Seunghoon successfully auditioned for SBS K-pop Star, an entertainment industry audition program. The program's aim is to cast new "stars" into K-pop's three biggest companies: SM, YG, and JYP. He successfully made it through to the top 10 before being eliminated in the "7th Live Round" on April 15, 2012, placing fourth overall.
On May 16 it was announced that Seunghoon had signed an exclusive contract with YG Entertainment and would shortly thereafter became a trainee.
On February 25, 2013 it was announced the Seunghoon would debut as part of a new YG group, Winner!