The oldest member of ENHYPEN, Heeseung, was born on October 15, 2004, in Seoul, South Korea. From a young age, he exhibited a passion for music and performance, which eventually led him to pursue a career in the entertainment industry. He joined Big Hit Entertainment (now HYBE) as a trainee, where he honed his skills in singing, dancing, and rapping. His dedication and perseverance earned him a spot on "I-LAND," the survival show that would ultimately lead to the formation of ENHYPEN.
Heeseung's journey wasn't without challenges. As a trainee, he faced intense competition and rigorous training schedules. However, his determination and positive attitude helped him overcome these obstacles. His performance on "I-LAND" showcased his versatility and charisma, earning him a permanent place in ENHYPEN. As the eldest member, Heeseung has embraced the responsibility of guiding his younger bandmates while maintaining his own growth as an artist.