Kang Seung Yoon is a South Korean singer-songwriter and actor. Born on January 21, 1994, he goes by the stage name Seungyoon as the leader of the K-pop boy band WINNER. Seungyoon first rose to fame after competing in the reality competition “Superstar K2” and coming in fourth place. He released two original singles while competing on the show, and one of the singles became one of the top 100 songs of the year. Seungyoon debuted with the group WINNER in late 2013. He has since expanded into acting, starring in the television drama “High Kick 3” (2011) and the web drama “We Broke Up” (2015). He also made cameo appearances as himself on the hit drama “Producer” (2015).