STAYC (Star To A Young Culture) is a six-member K-pop girl group under High Up Entertainment that debuted in 2020. The group consists of Sumin, Sieun, Isa, Seeun, Yoon, and J. Known for their strong vocals, catchy songs, and youthful charm, STAYC has become one of the leading fourth-generation K-pop groups.
STAYC Members Profile
Sumin
- Stage Name: Sumin
- Birth Name: Bae Su-min
- Age: 25 Years Old (as of 2026)
- Birthday: March 13, 2001
- Birthplace: Pohang, North Gyeongsang Province, South Korea
- Zodiac Sign: Pisces
- Nationality: Korean
- Position: Vocalist
- Height: 159 cm (5′ 3″)
- Blood Type: O
- Education: Korea Arts High School
Sumin Facts:
- Sumin is the oldest member of STAYC.
- She was born in Pohang, South Korea.
- Before joining High Up Entertainment, she trained under Plan A Entertainment.
- She trained for more than five years before debuting.
- Her role model is BTS.
- Fans love her cute smile and bubbly personality.
- Her nicknames include “BaeSum” and “Sum.”
Sieun
- Stage Name: Sieun
- Birth Name: Park Si-eun
- English Name: Rachel Park
- Age: 25 Years Old (as of 2026)
- Birthday: August 1, 2001
- Birthplace: Seoul, South Korea
- Zodiac Sign: Leo
- Nationality: Korean
- Position: Main Vocalist
- Height: 159 cm (5′ 3″)
- Blood Type: A
- Education: Goyang Arts High School
Sieun Facts:
- Sieun was born in Seoul, South Korea.
- She is the daughter of singer Park Nam-jung.
- Before becoming an idol, she worked as a child actress.
- She was previously a trainee under JYP Entertainment.
- She can play the piano.
- Many fans consider her one of the strongest vocalists in the group.
- She is known for handling many of STAYC’s high notes.
Isa
- Stage Name: Isa
- Birth Name: Lee Chae-young
- Age: 24 Years Old (as of 2026)
- Birthday: January 23, 2002
- Birthplace: Busan, South Korea
- Zodiac Sign: Aquarius
- Nationality: Korean
- Position: Lead Vocalist
- Height: 165 cm (5′ 5″)
- Blood Type: O
- Education: Hak Enter Academy
Isa Facts:
- Isa was born in Busan, South Korea.
- She is an only child.
- She was the first member to join High Up Entertainment.
- She enjoys fashion, shopping, and decorating.
- Her hobbies include finding new restaurants and exploring new places.
- Fans often recognize her by her cat-like eyes and unique voice.
- She is sometimes called the “mother” of the group because of her caring personality.
Seeun
- Stage Name: Seeun
- Birth Name: Yoon Se-eun
- Age: 23 Years Old (as of 2026)
- Birthday: June 14, 2003
- Birthplace: Pyeongtaek, Gyeonggi Province, South Korea
- Zodiac Sign: Gemini
- Nationality: Korean
- Position: Vocalist
- Height: 167 cm (5′ 6″)
- Blood Type: A
- Education: School of Performing Arts Seoul (SOPA)
Seeun Facts:
- Seeun was born in Pyeongtaek, South Korea.
- She has an older sister and a younger brother.
- Before debuting, she trained under Plan A Entertainment.
- She was also a child actress.
- She is skilled at cooking and playing the flute.
- Her charming point is her bright smile.
- Fans often describe her visuals as elegant and princess-like.
Yoon
- Stage Name: Yoon
- Birth Name: Shim Ja-yoon
- Age: 22 Years Old (as of 2026)
- Birthday: April 14, 2004
- Birthplace: Gwangju, South Korea
- Zodiac Sign: Aries
- Nationality: Korean
- Position: Lead Vocalist
- Height: 172.6 cm (5′ 8″)
- Blood Type: A
- Education: School of Performing Arts Seoul (SOPA)
Yoon Facts:
- Yoon was born in Gwangju, South Korea.
- She is the tallest member of STAYC.
- Her favorite color is yellow.
- She has an older sister.
- BLACKPINK’s Lisa is her role model.
- She is known as one of the most energetic members of the group.
- Fans love her positive attitude and bright personality.
J
- Stage Name: J
- Birth Name: Jang Ye-eun
- Age: 21 Years Old (as of 2026)
- Birthday: December 9, 2004
- Birthplace: Daejeon, South Korea
- Zodiac Sign: Sagittarius
- Nationality: Korean
- Position: Vocalist, Maknae
- Height: 169 cm (5′ 7″)
- Blood Type: O
- Education: School of Performing Arts Seoul (SOPA)
J Facts:
- J is the youngest member of STAYC.
- She was born in Daejeon, South Korea.
- She has a younger sister.
- She enjoys drawing, sports, and exercising.
- Her role model is Jessi.
- She is famous for her deep and powerful voice.
- She loves Disney movies, and her favorite princess is Rapunzel.
Read: PENTAGON Members Profile.
STAYC has captured the hearts of K-pop fans worldwide with its talented members, impressive vocals, and refreshing music style. From Sumin, Sieun, Isa, Seeun, Yoon, and J, each member brings unique charm and talent to the group. As STAYC continues to grow, the group remains one of the most promising and influential acts of the fourth generation of K-pop. Their dedication, energy, and strong connection with SWITH make their future brighter than ever.