Bae Sumin (배수민)
Bae Sumin (stage name Sumin, pronounced soo-min) is the oldest member and the leader of STAYC. She is also a vocalist and rapper. Her birthday is on March 13th, 2001. She was born in Pohang, North Gyeongsang, South Korea. She trained for 5 years and 6 months. She likes watching webtoons and listening to music, and her role model is BTS. Her zodiac sign is Pisces and her Chinese zodiac sign is the snake. Her MBTI type is ISFJ.
Photo via @STAYC_Official on Twitter
Park Sieun (박시은))
Park Sieun (stage name Sieun, pronounced she-un) is the second oldest member and the main vocalist of STAYC. Her birthday is on August 1st, 2001. She was born in Seoul, South Korea. She trained for 4 years. She can play the piano, is a former actress, and her role model is IU. Her zodiac sign is Leo and her Chinese zodiac sign is the snake. Her MBTI type is ENFJ.
Photo via @STAYC_Official on Twitter
Lee Chaeyoung (이채영)
Lee Chaeyoung (stage name Isa, pronounced eye-sah) is the lead vocalist of STAYC. Her birthday is on January 23rd, 2002. She was born in Busan, South Korea. She trained for 3 years. She likes R&B music, shopping, and her role model is Krystal. Her interests include fashion and decorating. Her zodiac sign is Aquarius and her Chinese zodiac sign is the snake. Her MBTI type is ESFJ.
Photo via @STAYC_Official on Twitter
Yoon Seeun (윤세은)
Yoon Seeun (stage name Seeun, pronounced say-un) is the vocalist of STAYC. Her birthday is on June 14th, 2003. She was born in Pyeongtaek, Gyeonggi, South Korea. She trained for 2 years and 7 months. She likes collecting stickers and listening to music, and her role model is SNSD's Taeyeon. Her zodiac sign is Gemini and her Chinese zodiac sign is the goat. She has a grey cat named Rich. Her MBTI type is INFP.
Photo via @STAYC_Official on Twitter
Sim Jayun (심자윤)
Sim Jayun (stage name Yoon) is the lead vocalist of STAYC. Her birthday is on April 14th, 2004. She was born in Gwanju, Jeolla-do, South Korea. Her training period is unknown. She is known for her long hair and bangs. She is the tallest member. Her favorite food is her grandmother's steamed eggs and her mother's marinated grilled pork. Her role model is Blackpink's Lisa. Her zodiac sign is Aries and her Chinese zodiac sign is the monkey. Her MBTI type is ENFP.
Photo via @STAYC_Official on Twitter
Jang Yeeun (장예은)
Jang Yeeun (stage name J) is the youngest member, rapper, and vocalist of STAYC. Her birthday is on December 9th, 2004. She is known for her deep voice. She was born in Daejeon, Chungcheong, South Korea. Her training period is unknown. She is good at drawing, would like to visit Switzerland, and her role model is Jessi. Her zodiac sign is Saggitarius and her Chinese zodiac sign is the monkey. She has a cat named Tan. Her MBTI type is INFJ.
Photo via @STAYC_Official on Twitter