Seo Eunkwang is a South Korean singer and songwriter, best known as the leader of the boy group BTOB. Born on November 22, 1990, he debuted with the group in 2012 under CUBE Entertainment and has since gained recognition for his powerful vocals and charismatic stage presence. In addition to his work with BTOB, Seo Eunkwang has pursued solo projects, showcasing his versatility as an artist. He has participated in various television programs and musical productions, further establishing his reputation in the South Korean entertainment industry.