| Full Name | Kim Taehyung |
| Stage Name | J.Seph |
| Native Name | 김태형 |
| Birthday | June 21, 1992 |
| Age | 33 years and 1 month old |
| Zodiac Sign | Cancer |
| Birthplace | Chungju, Chungcheongbukdo, South Korea |
| Height | 5’10” (178 cm) |
| Weight | 156.5 lbs (71 kg) |
| Blood Type | 0 |
| MBTI | ISFP-A |
| Education | Daejeon University |
| Languages | English, Korean |
| Group | KARD |
| Social Media | Instagram: [@j.seph_] TIktok: [@j.sephhh] |