Sejeong  (Gugudan 구구단)
Sejeong  (Gugudan)
  Professional Stats

  Stage Name: Sejeong

  Hangul 세정

  Position: Vocal

  Position: Visual

  Tag Category: Gugudan

  Debut Age: 20

  Agency: Jellyfish Ent.


  Active for 3 years

  Idol Status Active

  Idol Status Original

  Former Group: I.O.I.

  Personal Stats
  Birth Name: Kim Sejeong

  Hangul: 김세정


  Age: 23 years old

  Year of the: Rat

  Star Sign: Virgo

  Blood Type AB

  Gender: Male

  Height: 164 cm or 5'4½"

  About Sejeong  세정


Gugudan Clover Symbol

  Symbol: Clover
  Time Table: #3

Kim Sejeong 김세정 from Gugudan of Jellyfish Entertainment was born on Wednesday, August 28, 1996. Three members, Sejeong, Sally, and Soyee were born during the Chinese Year of the Rat.

Both Sejeong and Soyee are blood type AB. Her zodiac star sign is Virgo . She’s 164 cm or 5'4½" tall.

Sejeong was born in Gimjesi, a municipal city in the North Jeolla Province. She later moved to Anyang, Gyeonggi where she stayed with her mother and older brother at her aunt’s house. Her parents split when she was a child, leaving her mother to single-handedly raise her and her brother, and she has previously stated she did not keep in touch with her father until her third year of middle school.

Sejeong is currently studying practical music at Hanyang Women’s University. When she has time she likes to paint and re-watch movies she loves.

Sejeong is Gugudan’s visual and the main vocal. She especially loves ballads.


Gugudan Clover Timetable Pink CircleShe was a trainee for 1 year and 11 months. Before joining Jellyfish Entertainment, she was a contestant on SBS’s "K-pop Star 2." She also worked as a fitting model.

On Mnet’s reality survival competition show “Produce 101,” Sejeong represented Jellyfish Entertainment along with Nayoung and Mina, competing against other idols from other companies to participate in a temporary female idol group called I.O.I. Sejeong and Mina made it into the group, but Nayoung didn’t make it into the 12-member line up.

Sejeong placed second in the final episode, earning a spot in the final I.O.I. member list.