| Birth Name | Mark Lee |
| Stage Name | Mark (마크) |
| Birthday | August 2, 1999 |
| Height | 175 cm |
| Weight | 61 kg |
| Blood Type | A |
| MBTI | ISTJ (his previous result was INFJ-A) |
| Group | NCT |
| Company | SM Entertainment |
| Position | Leader of NCT Dream, Rapper, Dancer, Vocalist * |
| Korean Name | Lee Min Hyung (이민형) |
| Zodiac Sign | Leo |
| Representative Emoji | 🐯 |