| Full Name | Seo Chang-bin |
| Stage Name | Changbin |
| Native Name | 서창빈 |
| Birthday | August 11, 1999 |
| Age | 26 years old |
| Zodiac Sign | Leo |
| Birthplace | Yongin, South Korea |
| Height | 5’6″ (167 cm) |
| Weight | 149.9 lbs (68 kg) |
| Blood Type | O |
| MBTI | ESFP |
| Education | Bora High School |
| Languages | Korean, English, Japanese |
| Group | Stray Kids 3RACHA |
| Social Media | Instagram: [@jutdwae] |