Marco (마르코) was born on May 11, 1993 in Gwangju, South Korea, real name and surname Lee Hyung-geun (이형근) is a Taurus boy, height 180 cm, weight 60 kg, blood type O. His childhood dream was to be a comedian and actor and he eventually enrolled in an acting class with an acting agency.
Marco used to be a professional model and he likes to write songs. When he had the opportunity to become a member of UNB, he demonstrated this ability by helping to write the song “Only One”. However, UNB was not the first group Marco had been a member of. He debuted in 2017 with HBY (Hot Blood Youth), but three years later the group disbanded in 2020. While with HBY, Marco participated in the survival show The Unit and was voted on. Ranked 5th (with 81,606 votes) and debuted with UNB in 2018, the group was part of the survival program The Unit, but disbanded the following year in 2019.
After the path of being a singer may not be pretty much, Marco has many performances, including
- Replay: The M.O.Ment When It Starts Again (리플레이: 다시 시작되는 순간) | Daum Kakao TV / as Shim Taeyang (2021)
- Pops in Seoul (팝스 인 서울) | Arirang TV | Episode 3510 (2017)
- The Unit (더 유닛) | KBS2 | Episode 28/28 (2017)
- THE UNI+ Special Show (THE UNI+ 스페셜 쇼) | KBS2 | Episode 2/2 (2018)
- Gag Concert (개그콘서트) | KBS2 | Episode 943 (2018)
- K-RUSH: Season 3 (케-러시: Season 3) | KBS1 | Episode 5 (2018)
- Idol League: Season 1 (아이돌 리그) | Star KTV | Episode 6 (2018)
- Video Star: Season 1 (비디오스타) | MBC Every 1 | Episode 54 (2019)
- Idol Room (아이돌룸) | JTBC | Episode 8 (2018)
- UNB in Japan: OND (유앤비의 오나도) | vLive | Episode 13/13 (2018)
- 2018 Idol Star Athletics Championships Chuseok Special (2018 아이돌스타 육상 볼링 양궁 리듬 체조 족구 선수권 대회)| MBC| ep. 4/4 (2018)