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JEONGHAN Profile: SEVENTEEN Member, Birthday, Facts & Career

JEONGHAN is a member of SEVENTEEN (세븐틴), the 13-member group that debuted under PLEDIS Entertainment on May 26, 2015 with the mini album 17 CARAT. This profile brings together key biographical facts, unit role, career milestones, creative work and officially announced projects.

JEONGHAN Profile: Birthday, Facts, Career & Credits

Stage nameJEONGHAN
Birth nameYoon Jeong-han (윤정한)
BirthdayOctober 4, 1995
Nationality / backgroundSouth Korean
SEVENTEEN unitVocal Team
RoleVocalist; member of vocal-focused and special projects
AgencyPLEDIS Entertainment (HYBE)
Group debutMay 26, 2015 — 17 CARAT

Who Is JEONGHAN?

JEONGHAN is part of a group whose identity is built around three permanent teams: Hip-Hop, Vocal and Performance. A distinctive vocal color, group harmonies, variety appearances and special unit work. JEONGHAN is part of the Vocal Team and has contributed to SEVENTEEN’s group performances and special projects. His career includes a dedicated unit with WONWOO and, in 2026, a new project with JOSHUA, showing how members continue to develop work outside the three permanent teams.

Early Background and Pre-Debut

SEVENTEEN’s members developed their skills through PLEDIS Entertainment’s training system and the group’s highly documented pre-debut period, including the SEVENTEEN TV project. The final 13-member lineup debuted in 2015. Personal training dates and private-life details are not added here unless supported by reliable public sources; this keeps the profile focused on verifiable information.

JEONGHAN’s Role in SEVENTEEN

JEONGHAN belongs to the Vocal Team. The three-unit structure allows members to work in focused teams while continuing to perform and record as one group. A distinctive vocal color, group harmonies, variety appearances and special unit work.

Songwriting, Production and Performance Credits

JEONGHAN is part of the Vocal Team and has contributed to SEVENTEEN’s group performances and special projects. His career includes a dedicated unit with WONWOO and, in 2026, a new project with JOSHUA, showing how members continue to develop work outside the three permanent teams. JEONGHAN’s involvement should be understood through track-specific credits, not assumptions based on unit membership. For exact lyricist, composer, arranger or producer credits, consult the official album booklet and Korea Music Copyright Association records. KWaveHub will add track-by-track tables when each credit can be independently verified.

Solo, Unit and Special Projects

JEONGHAN X WONWOO released the single album THIS MAN in 2024. JEONGHAN X JOSHUA announced the mini album DREAMSCAPE in September 2026, with related activities listed by official channels.

Key projects: THIS MAN (JEONGHAN X WONWOO, 2024); DREAMSCAPE (JEONGHAN X JOSHUA, announced 2026).

Career Timeline

  • 2015: Debuted with SEVENTEEN on May 26 through 17 CARAT and title track “Adore U.”
  • 2016–2019: Built the group’s Korean and Japanese discographies, touring history and recognizable three-unit identity.
  • 2020–2022: Expanded international releases, performances and album-era concepts during a period of growing global reach.
  • 2023: FML and the group’s continued touring reinforced SEVENTEEN’s position as a major album-selling act.
  • 2024: 17 IS RIGHT HERE and SPILL THE FEELS added to the group’s growing catalog.
  • 2025: The group marked its tenth anniversary and released its fifth full album, HAPPY BURSTDAY, on May 26.
  • 2026: THIS MAN (JEONGHAN X WONWOO, 2024); DREAMSCAPE (JEONGHAN X JOSHUA, announced 2026). Official release notices and schedules can change, so current details should be checked against PLEDIS and SEVENTEEN’s official channels.

Quick Facts

  • Birthday: October 4, 1995
  • Unit: Vocal Team
  • Known for: A distinctive vocal color, group harmonies, variety appearances and special unit work.
  • Notable project: THIS MAN (JEONGHAN X WONWOO, 2024); DREAMSCAPE (JEONGHAN X JOSHUA, announced 2026).
  • Fun fact: He is one of SEVENTEEN’s original 2015 debut members and has participated in Korean and Japanese group promotions.

Frequently Asked Questions

What is JEONGHAN’s real name?

JEONGHAN’s birth name is Yoon Jeong-han (윤정한).

When is JEONGHAN’s birthday?

JEONGHAN’s birthday is October 4, 1995.

Which SEVENTEEN unit is JEONGHAN in?

JEONGHAN is part of the Vocal Team.

What is JEONGHAN known for?

JEONGHAN is known within SEVENTEEN for a distinctive vocal color, group harmonies, variety appearances and special unit work.

What are JEONGHAN’s solo or unit projects?

JEONGHAN X WONWOO released the single album THIS MAN in 2024. JEONGHAN X JOSHUA announced the mini album DREAMSCAPE in September 2026, with related activities listed by official channels.

Explore All SEVENTEEN Members

Visit the complete group guide for the full lineup, three-unit structure, discography milestones, group history and related profiles.

Official Sources and Fact-Checking

Core group information is cross-checked against the SEVENTEEN Japan official profile, PLEDIS Entertainment, and official SEVENTEEN notices on Weverse. For music credits, use official album credits and the Korea Music Copyright Association. Project details are updated when official notices are published.

Editorial note: This profile distinguishes official facts and announced projects from interpretation. Current schedules, release dates and service-related details can change; refer to linked official notices for the latest confirmation. Last reviewed October 10, 2026.