Yoon Seo-yeon

Yoon Seo-yeon was born in Daejeon, South Korea, on August 6, 2003. Yoon received several recruitment offers from various entertainment agencies in the past, but denied them all as she thought that being a celebrity wasn't for her and continued preparing to retake the CSAT. Yoon watched K-Pop idol performances when she was young and wanted to give it a try but did not have any idol training.{{cite web |url=https://enews.imbc.com/News/RetrieveNewsInfo/374615|script-title=ko:'라이징' 트리플에스 윤서연 "인생 한 번 사는 거 특별하게 살고 싶어 아이돌 꿈꿔" (정희) == Career ==

2022–present: Debut with tripleS On May 1, 2022, Yoon was revealed as the first member of the 24 member girl group, TripleS. Following with the debut of Krystal Eyes on May 4, 2023, with their mini album, Aesthetic. On April 20, TripleS announced that they would be debuting their next sub-units. Yoon was announced as the second member of Lovelution on April 22. On May 26, Yoon was announced as a contestant on the Mnet reality survival competition show Queendom Puzzle, and finished the show with the final ranking of 24th. Lovelution made their official subunit debut on August 17. In February, A vote was conducted to select the official leader of tripleS Assemble25 album, in which Yoon was officially selected as the leader. In March, Yoon communicated with Stanford University students and explained how tripleS incorporates Web3 technology within their concept.{{cite web |url=https://m.entertain.naver.com/home/article/030/0003297315|title=美 스탠포드 MBA도 주목…모드하우스, 'K-POP 혁신' 이끈다 == Discography ==

Singles Soundtrack appearances Participation releases == Filmography ==

Web series Television shows Radio == Bibliography ==