| Full Name | Roh Ji Sun |
| Stage Name | Jisun |
| Native Name | ë…¸ì§€ì„ |
| Birthday | November 23, 1998 |
| Age | 26 years and 7 months old |
| Zodiac Sign | Sagittarius |
| Birthplace | Seoul, South Korea |
| Height | 5’2″ (158 cm) |
| Weight | 94.8 lbs (43 kg) |
| Blood Type | B |
| MBTI | ESTJ / IST |
| Education | Daejin Girls High School |
| Languages | Korean |
| Group | fromis_9 (2017 – January 26, 2025) |
| Social Media | Instagram: [@rosieline_] |