| Full Name | Lee Won-hee |
| Stage Name | Wonhee |
| Native Name | 이원희 |
| Birthday | June 26, 2007 |
| Age | 18 years old |
| Zodiac Sign | Cancer |
| Birthplace | Namyangju, Gyeonggi-do, South Korea |
| Height | 5’4″ (162 cm) |
| Weight | – |
| Blood Type | A |
| MBTI | ISFP |
| Education | Hanlim Multi Art School |
| Languages | Korean, English |
| Group | ILLIT (2023-present) |
| Social Media | – |