Highup Entertainment

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YOON is a member of the K-pop girl group STAYC.

YOON (STAYC) Profile

Name윤 | YOON
Full Name심자윤 | 沈姿潤 | Sim Jayun
AKAShim Jayoon
ClanCheongsong Shim (Sim) Clan
Date of BirthApril 14, 2004 (age 19)
Place of BirthGwangsan-gu, Gwangju, South Korea
HometownGwangsan-gu, Gwangju, South Korea
CitizenshipRepublic of Korea
Height172.1cm | 5′-08″
Shoe Size245mm
Blood TypeA
Zodiac SignAries
DebutSTAYC | November 12, 2020
PositionSTAYC: Lead Vocalist
Years Active2020 – present
LabelHighup Entertainment


  • Mother
  • Father
    • He serves in the military.
  • Older Sister


  • Gajaeul High School
  • Songgwang Middle School → Changchun Middle School
  • Dosan Elementary School


She was born and raised in Gwangju.
YOON became a Highup Entertainment trainee in 2019 and made her debut as a member of STAYC in 2020.
Training Period: 2 years
Highup Entertainment Audition Song: Red Velvet – One Of These Nights
Motto: If you don’t walk today, you’ll have to run tomorrow.
KiKi was her stage name candidate.
Her childhood dream was to become a singer, a ballerina or a scientist.
She thought she would become a government employee before she started her trainee life.
She took vocal and dance classes at Joy Dance & Plug In Music Academy in Gwangju.
LISA (BLACKPINK) is her role model.
She likes to play video games in her free time.
She is sensitive to heat.
She was a fan of BTOB in middle school.
Nickname: Yoonja


  • Artist
  • Color
    • pink, green
  • Disney Princess
    • Belle
  • Fruit
    • oranges
  • Season of the Year
    • spring
  • Word
    • sarang (love)

Categories: K-pop Idols Born in 2004 | K-pop Idols Born in April | K-pop Idols From Gwangju | Aries K-pop Idols | 2020 Debuts | Highup Entertainment Artists

References: IDDP, Melon TMI Battle, Personal Profile, STAYC Pajama Party EP01, November 2021 ESQUIRE Korea