| Stage Name | Seungkwan |
| Birth Name | Boo Seungkwan |
| Date of Birth | 16 January 1998 |
| Zodiac Sign | Capricorn |
| Place of Birth | Busan, South Korea |
| Hometown | Jeju-do, South Korea |
| Nationality | Korean |
| Height | 174 cm |
| Weight | 58 kg |
| Blood Type | B |
| Position | Main Vocalist |
| Sub-Unit | Vocal Team, BOOSEOKSOON |
| Social Media | @pledis_boos (Instagram) |