Name: Kang Seungyoon (강승윤)
Birthdate: January 21, 1994
Hometown: Busan, South Korea
Education: Busan Music and Arts High School
Kang Seung Yoon was a Superstar K2 contestant, finishing in fourth place. After initial success with Superstar K2, CEO Yang Hyun Suk signed Kang to YG Entertainment on January 12, 2011.
After solo promotion under YG, he became a part of Winner. He took over role of leader after Song Minho's injury.