Leo (singer)
South Korean singer, songwriter and actor

Jung Taek-woon (Korean: 정택운; born on November 10, 1990), known professionally as Leo (Korean: 레오), is a South Korean singer, songwriter and musical theatre actor, formerly signed under Jellyfish Entertainment. Leo debuted as a member of the South Korean boy group VIXX in May 2012, and began his acting career in 2014 in the musical Full House as Lee Young-jae. In 2015 he began his songwriting career, and with VIXX member Ravi formed the group's first official sub-unit VIXX LR.
Early life
Born in Gwangju, he moved to Yangjae-dong, Seoul, South Korea when he was 49 days old, his family consists of himself, his parents and three older sisters. Leo studied music composition at Baekseok University and was a member of the National Youth Soccer Players from 2004 to 2007. Growing up, Leo was actively involved in swimming, boxing, taekwondo (blue belt), and soccer. While recovering from an injury, he developed an interest in becoming a singer after listening to Wheesung's "Walking in the Sky".
Career
2012–2014: Career beginnings
Leo was one of ten trainees who were contestants in Mnet's survival reality show MyDOL. Leo was one of the six contestants who were chosen to be a part of the final line-up of the new boy group VIXX. The group debuted with "Super Hero" on May 24, 2012 on M! Countdown. During MyDOL, Leo was featured in Brian Joo's "Let This Die" and Seo In-guk's "Shake It Up" music videos. After his debut with VIXX, Leo appeared in episode 4 of SBS' television drama The Heirs alongside his group members.
The public source identifies “Leo (singer)” as south Korean singer, songwriter and actor. This brief keeps that definition visible, then builds a research path around singer, South and Korean.
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Chronology provides the most reliable spine for this subject; interpretation should follow only after identities and dates are secure. The source revision retrieved here is dated Sep 22, 2026. The linked authority identifier is Q18550576. VIAF identifies the subject as 409154590248243082730. None of the 2 selected statements returned an explicit reference. The first chronological checks are 1990, 2012, 2014 and 2015.
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This entry incorporates text from “Leo (singer)” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.