| Full Name | Kwak Ji-eun |
| Stage Name | Roa |
| Native Name | 곽지은 |
| Birthday | October 6, 1994 |
| Age | 30 years and 9 months old |
| Zodiac Sign | Libra |
| Birthplace | Jeongwang-dong, Siheung, Gyeonggi-do, South Korea |
| Height | 5’2″ (156 cm) |
| Weight | 94.8 lbs (43 kg) |
| Blood Type | B |
| MBTI | ENFJ |
| Education | Kyunghee University |
| Languages | Korean, English |
| Groups | Someilsang (2023-present) X:IN (2023 – July 8, 2023) Stellar Sugar (2025-present) |
| Social Media | Instagram: [@roa._.k] YouTube: [@roa._.k_cns] Twitter (X): [@ROA_diary_] |