| Full Name | Heo Hyun-jun |
| Stage Name | Hyunjun |
| Native Name | 허현준 |
| Birthday | March 9, 2000 |
| Age | 25 years and 3 months old |
| Zodiac Sign | Pisces |
| Birthplace | Busan, South Korea |
| Height | 5’10” (178 cm) |
| Weight | 123.5 lbs (56 kg) |
| Blood Type | A |
| MBTI | ENFP |
| Education | Hanlim Art High School |
| Languages | English, Korean |
| Group | THE BOYZ (2017 – October 23, 2019) |
| Social Media | Instagram: [@hyun.jxx0_p] YouTube: [@official_hyunjun] TikTok: [@official_hyunjun] |