YOUNG (A2O LITE) Profile 2026: Age, Birthday, Career & Facts
Who Is YOUNG from A2O LITE?
YOUNG is a South Korean singer and the eldest member of the multinational girl group A2O LITE, formed under A2O Entertainment. She is recognized for her role in the group’s debut in October 2026, bringing a background in practical music education to the ensemble. As the group’s oldest member (born in 2008), she serves as a senior figure within a team that includes members born as recently as 2013 .
Quick Facts Table
| Field | Information |
|---|---|
| Stage Name | YOUNG (์) |
| Birth Name | Jeong Si-young (์ ์์ / ้่ฏ่ฑ) |
| Date of Birth | October 27, 2008 |
| Age | 18 years old (as of October 2026) |
| Place of Birth | Deogyang-gu, Goyang-si, Gyeonggi-do, South Korea |
| Nationality | South Korean |
| Group | A2O LITE |
| Position | Eldest Member |
| Education | Hanlim Arts School (Dept. of Practical Music) |
| Debut | October 12, 2026 (A2O LITE) |
| Agency | A2O Entertainment |
Table of Contents
Early Life and Background
YOUNG was born Jeong Si-young (์ ์์) on October 27, 2008, in Deogyang-gu, Goyang-si, Gyeonggi-do, South Korea . While specific details about her family life remain private, her educational path suggests an early focus on the arts. She attended Koyang Hwajeong Elementary School and Hwajeong Middle School before moving to Hanlim Arts School, where she studied in the Department of Practical Music . Hanlim is a well-known institution that has produced numerous K-pop idols and entertainers.
Note on Birthday: While a small number of secondary outlets have listed her birthday as October 17, the majority of profile databases and the group’s detailed member listings consistently verify the date as October 27, 2008 .
Career
Career Beginnings & Debut
Prior to her debut, YOUNG trained under A2O Entertainment, a company founded by Lee Soo Man, the influential figure behind SM Entertainment . She was introduced as part of A2O LITE, a nine-member project group designed to showcase a mix of Korean, Japanese, Chinese, Thai, and American backgrounds.
A2O LITE and “NEON“
YOUNG debuted with A2O LITE on October 12, 2026, with the release of the digital single “NEON” . The group quickly garnered attention not only for the high-profile involvement of Lee Soo Man but also for the young average age of its members. As the eldest, YOUNG is positioned as a stabilizing presence within the lineup.
Professional Achievements
At this stage in her career, YOUNG’s primary professional achievement is her successful debut as a member of A2O LITE. The group represents a new venture in the K-pop industry, focusing on a “global” lineup from its inception rather than a purely Korean one.
Personal Life
YOUNG maintains a relatively private personal life. Publicly available information is largely limited to her professional activities and her educational background.
MBTI and Personality
There is no officially confirmed MBTI for YOUNG. A community-driven personality database lists her as an ESTP (Extraverted, Sensing, Thinking, Perceiving), but this is based on fan speculation and not a statement from the artist or agency . A separate profile site that lists MBTIs for other A2O LITE members does not provide a confirmed type for YOUNG . Therefore, her exact MBTI remains unverified.
Public Image
As the oldest member of a group where the youngest members are 13 years old (born in 2013), YOUNG is often described in media and fan communities as the “reliable eldest” or the “big sister” of the group . Her background in a practical music high school is also cited as a foundation for her role as a vocalist or performer within the team .
Recent Activities and Current Status
As of late 2026, YOUNG is actively promoting with A2O LITE following their debut with “NEON.” The group is in the early stages of establishing their presence in the competitive K-pop market.
Timeline
| Year | Event |
|---|---|
| 2008 | Born on October 27 in Goyang-si, Gyeonggi-do, South Korea. |
| 2026 | Introduced as a member of A2O LITE. |
| 2026 | Debuted with A2O LITE on October 12 with the single “NEON” . |
FAQs
1. Who is YOUNG from A2O LITE?
YOUNG is a South Korean singer and the eldest member of the girl group A2O LITE, which debuted in October 2026 under A2O Entertainment.
2. How old is YOUNG?
YOUNG was born on October 27, 2008. As of October 2026, she is 18 years old.
3. What is YOUNG’s real name?
Her birth name is Jeong Si-young (์ ์์). In Chinese characters, it is written as ้่ฏ่ฑ .
4. When did YOUNG debut?
She made her official debut with A2O LITE on October 12, 2026 .
5. What group is YOUNG in?
She is a member of the nine-piece multinational girl group A2O LITE.
6. Where was YOUNG born?
She was born in Deogyang-gu, Goyang-si, Gyeonggi-do, South Korea .
7. What is YOUNG’s MBTI?
There is no official MBTI confirmed by YOUNG or her agency. Fan communities speculate she may be an ESTP, but this is unverified .
8. What is YOUNG’s position in A2O LITE?
She is the eldest member (often referred to as the “unnie” or big sister) of the group .
9. Did YOUNG go to school for music?
Yes, she attended Hanlim Arts School, majoring in the Department of Practical Music .
10. What is A2O LITE’s debut song?
The group debuted with the digital single “NEON” .
11. Who founded A2O LITE’s agency?
A2O Entertainment was founded by Lee Soo Man, the founder of SM Entertainment .
12. Is YOUNG the oldest in A2O LITE?
Yes, born in 2008, she is the oldest member. The youngest members were born in 2013
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