D.O. Profile: Age, Height, Career, Facts & More
Few idols have built as respected a dual career as D.O. As EXO’s main vocalist, he’s delivered some of the group’s most emotionally resonant performances.
But it’s his extensive acting filmography, including an award-winning turn in My Annoying Brother and a starring role in the box-office hit Swing Kids, that’s earned him standing as one of K-pop’s most critically acclaimed actors.
This complete profile breaks down everything fans want to know about D.O. — his age, height, career, personality, and the fun facts that keep circulating through the fandom.
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Quick Facts About D.O.
- Real Name: Do Kyung-soo (도경수)
- Stage Name: D.O. (디오)
- Birth Date: January 12, 1993
- Zodiac Sign: Capricorn
- Birthplace: Goyang, Gyeonggi Province, South Korea
- Position: Main Vocalist
- Height: Approximately 173 cm (5’8″)
- Blood Type: A
- Nationality: South Korean
- Agency: Blitzway Entertainment / Company SooSoo (acting and solo activities); SM Entertainment (group activities)
- Group: EXO / EXO-K
Early Life and Background
D.O. was born Do Kyung-soo on January 12, 1993, in Goyang, Gyeonggi Province, South Korea. He began singing in primary school and participated in several local talent shows before auditioning for SM Entertainment through a singing video submission in 2010.
He became a trainee that year and was introduced as a member of EXO roughly two years later, having focused intensively on vocal training that would go on to define his rich, warm tone as EXO’s main vocalist. He later continued his studies at Konkuk University’s College of Arts, majoring in acting.
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Debut and EXO’s Formation D.O. officially debuted with EXO and its sub-unit EXO-K on April 9, 2012, with the mini album Mama. As main vocalist, his warm, emotionally grounded tone quickly became one of the defining voices within EXO’s discography.
A Critically Acclaimed Acting Career D.O. made his acting debut in 2014 with the SBS drama It’s Okay, That’s Love and the film Cart, the latter earning him praise as a supporting character in a socially conscious drama.
He went on to build an extensive filmography, including Pure Love (2016), My Annoying Brother (2016) — for which he won Best New Actor at the Blue Dragon Film Awards, playing a national judo athlete — Room No.7 (2017), the Along With the Gods film series (2017–2018), and Swing Kids (2018).
A physically and emotionally demanding role that further cemented his reputation as a credible actor beyond his idol status.
His television work has continued through series including 100 Days My Prince (2018) and Bad Prosecutor (2022), and his film work includes The Moon (2023) and Secret: Untold Melody (2025).
Solo Music Career D.O. made his official solo debut as a soloist with the single “That’s Okay” shortly after being drafted in 2019, followed by his studio debut EP, Empathy, in 2021, which shot to Number 1 in South Korea.
He continued releasing solo material with Expectation (2023) and, after departing SM Entertainment for Company SooSoo in 2023 while remaining an active EXO member, released Blossom (2024) and his first full-length studio album, Bliss, in July 2025 — with a new EP, Dopamine, following in September 2026.
Military Service D.O. was the second EXO member to enlist, entering the military in mid-2019 and completing his service in January 2021.
EXO’s 2026 Comeback Following the staggered completion of every member’s military service by September 2025, EXO’s 2026 comeback and eighth full-length album will feature six members — Suho, Chanyeol, D.O., Kai, Sehun, and Lay — following the group’s “EXO’verse” fan meeting held in December 2025.
Personality and Public Image
D.O. is widely respected within the industry for his understated, deeply focused approach to both music and acting, a seriousness that’s earned him significant critical acclaim without ever overshadowing his warmth toward fellow members and fans.
He’s part of EXO’s “chingu line” alongside Baekhyun, Chen, and Chanyeol, a group of close friends within the lineup, and is generally regarded as one of the more reserved, thoughtful personalities in the group — someone whose quiet intensity translates directly into the emotional depth of both his acting roles and his vocal performances.
Fun Facts and Trivia
- D.O. won Best New Actor at the Blue Dragon Film Awards for his role in My Annoying Brother.
- He studied acting at Konkuk University’s College of Arts.
- He left SM Entertainment for Company SooSoo in 2023 while remaining an active EXO member.
- He’s appeared in the Along With the Gods film series, one of Korea’s highest-grossing franchises.
- He made his official solo debut in 2019 with the single “That’s Okay.”
- His debut solo EP Empathy reached Number 1 in South Korea.
- He’s part of EXO’s “chingu line” alongside Baekhyun, Chen, and Chanyeol.
Social Media and Where to Follow
D.O. is active across his own platforms and EXO’s official group accounts, including Instagram (@d.o.hkyungsoo), X (formerly Twitter), TikTok, and YouTube, where his acting projects, solo music releases, and vocal performances continue to draw significant fan engagement.
His extensive filmography remains a frequent topic of discussion among both EXO-Ls and Korean drama and film audiences more broadly.
As EXO continues its 2026 comeback as a six-member act, D.O.’s dual identity as both a main vocalist and a critically respected actor continues to make him one of the group’s most distinctly accomplished members.
Conclusion
From a Goyang talent-show kid to EXO’s main vocalist and one of K-pop’s most critically acclaimed actors, D.O.’s career reflects a rare combination of vocal warmth and genuine dramatic range.
Whether fans are drawn in by his emotionally grounded singing, his award-winning acting roles, his growing solo discography, or his quiet, thoughtful presence within the group, D.O. continues to prove why he’s regarded as one of the most respected dual-career talents in K-pop today.
As EXO’s global reach continues into its 2026 era, all eyes remain on D.O. to see what role — on screen or on stage — he’ll take on next.
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