| Full Name | Boo Seung-kwan |
| Stage Name | Seungkwan |
| Native Name | 부승관 |
| Birthday | January 16, 1998 |
| Age | 27 years and 3 months old |
| Zodiac Sign | Capricorn |
| Birthplace | Jeju, South Korea |
| Height | 5’9″ (174 cm) |
| Weight | 127.9 lbs (58 kg) |
| Blood Type | B |
| MBTI | ENTP |
| Education | Seoul Broadcasting School |
| Languages | Korean, Japanese, English |
| Group | SEVENTEEN SVT VOCAL Team BSS |
| Social Media | Instagram: [@pledis_boos] |