YOON JAE HYUK
the casting legend who turned six months of YG training into a permanent place in the team. This page keeps the official facts separate from fandom shorthand and updates leadership to the 2026 NEW WAV era.
Profile
- Stage name
- YOON JAE HYUK
- Born
- July 23, 2001
- Nationality
- South Korean · Yongin
- Group
- TREASURE
- Role
- Vice class president and vocalist
- Debut
- August 7, 2020
- Agency
- YG Entertainment
- Current era
- NEW WAV (2026)
Early life and training
Before YG, multiple major agencies approached JAE HYUK. He eventually entered YG, trained for only a short period, was eliminated during YG Treasure Box, and then returned for the final lineup. His debut story is basically a refusal to stay eliminated.
The common mistake is to compress every TREASURE member into “survival-show trainee.” The show was the public gate, not the entire education. Training length, starting skill and the reason each member stayed visible were different. For YOON JAE HYUK, the useful thread is continuity: the qualities visible before debut are still present, but they now carry the weight of six years onstage.
Career
Pre-debut · earning the lineup
YG Treasure Box asked trainees to compete across vocals, rap, dance and audience response. The final plan changed repeatedly—from separate TREASURE and MAGNUM units, to TREASURE 13, to one twelve-member group—but YOON JAE HYUK remained part of the project that finally debuted.
2020–2021 · The First Step
TREASURE debuted with “BOY” on August 7, 2020 and released the First Step series at unusually fast speed. These stages established YOON JAE HYUK’s base identity before the group had enough songs to specialize.
2022–2023 · ten-member reboot
After MASHIHO and BANG YE DAM left in November 2022, the group reorganized as ten. REBOOT and its units gave the remaining members more space, more credits and more responsibility. JAE HYUK joined T5 for “MOVE,” where his dance and mature styling received more room. On June 1, 2026, he became TREASURE’s vice class president alongside class president HARUTO, beginning the NEW WAV leadership period.
2024–2026 · chapter two
Singles, PLEASURE and LOVE PULSE led into NEW WAV, the 2026 all-hip-hop mini album. Read the connected review of “IF I” for the current ten-member sound, formation work and rollout tea.
Skills and stage identity
He is a growth member in the best sense: not the trainee introduced as the finished technical ace, but the performer whose stability, expression and confidence became harder to dismiss every era.
What to listen for
Find the moment the arrangement gives YOON JAE HYUK room rather than counting lines. In a ten-member song, impact matters more than raw seconds. Tone, timing and what happens immediately after the part tell you why it was placed there.
What to watch
Watch transitions and reaction shots, not only center time. TREASURE’s large formations depend on members remaining active when the camera is technically pointed elsewhere. YOON JAE HYUK’s value often becomes clearest in that connective work.
Era map
| Era | Why it matters here |
|---|---|
| The First Step | Debut identity and the original twelve-member scale. |
| “JIKJIN” / “DARARI” | The split between YG-force performance and TREASURE’s softer viral side. |
| REBOOT | Ten-member redefinition, larger individual roles and unit work. |
| PLEASURE / LOVE PULSE | Fan-facing warmth, self-production and the road into chapter two. |
| NEW WAV | All-hip-hop framing, current leadership and the English title track “IF I”. |
Fandom file
Fandom tends to notice the warmth first. He is socially attentive, expressive and good at making group content feel less like ten people waiting for a cue. The leadership choice makes sense once you watch how often he manages the emotional room.
The RaeRae take
YOON JAE HYUK matters because the casting legend who turned six months of YG training into a permanent place in the team. The page is not here to hand out a bias rating or reduce a person to three trivia bullets. The point is to show what changes when this member enters the song, the formation or the room.
The next step is evidence: every new TREASURE MV review will link back here with the exact vocal, rap, dance, writing or performance moment that belongs to YOON JAE HYUK. Profiles should get deeper as the review library grows, not sit untouched after publication.
Official links
TREASURE does not list a separate verified public YouTube, Instagram and X account for every member on its official YG profile. These are the verified channels that officially publish YOON JAE HYUK’s work; fan accounts are intentionally excluded.