Kang Seung-Yoon ( born January 21, 1994), known mononymously as Seungyoon or Yoon, is a South Korean singer-songwriter, actor, and leader of the boy group
Winner (
위너). Appearing on the reality television singing contest Superstar K2 (2010), he rose to prominence after finishing in fourth place. Through the show he released the digital single "Instinctively", which became a number one hit, almost selling over 2 million copies. In January 2011, he was scouted by South Korean label YG Entertainment and officially debuted as a solo artist in July 2013 with the digital single &…
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