| Full Name | Kim Ye Won |
| Stage Name | Umji |
| Native Name | 김예원 |
| Birthday | August 19, 1998 |
| Age | 27 years old |
| Zodiac Sign | Leo |
| Birthplace | Incheon, South Korea |
| Height | 5’5″ (165 cm) |
| Weight | 105.8 lbs (48 kg) |
| Blood Type | O |
| MBTI | INFP |
| Education | School of Performing Arts Seoul |
| Languages | Korean, English, Japanese |
| Group | GFRIEND VIVIZ |
| Social Media | Instagram: [@ummmmm_j.i] YouTube: [@umazingday] TikTok: [@umjimuji] |