| Full Name | Seo Soo-jin |
| Stage Name | Soojin |
| Native Name | 서수진 |
| Birthday | March 9, 1998 |
| Age | 27 years and 1 month old |
| Zodiac Sign | Pisces |
| Birthplace | Bongdam-eup, Hwaseong -gun, Gyeonggi-do, South Korea |
| Height | 5’5″ (164 cm) |
| Weight | 94.8 lbs (43 kg) |
| Blood Type | O |
| MBTI | ISFP |
| Education | Korean Arts High School |
| Languages | Korean, Chinese, English |
| Group | (G)I-DLE (2018 – August 14, 2021) VIVIDIVA (2015 – September 1, 2015) |
| Social Media | Instagram: [@_seosootang] Twitter (X): [@BRD_SOOJIN] YouTube: [@SOOJIN.OFFICIAL] TikTok: [@seosootangofficial] |