Kim Geon Hak, known professionally as Leedo, is a South Korean singer, dancer and member of ONEUS (원어스). He graduated from Uijeongbu Gwangdong High School. Before debuting, he spent time as a trainee at LOEN Entertainment and YG Entertainment.
He later joined RBW Entertainment (알비더블유) and he made his debut in January 2019 as the group's main rapper and sub-vocalist with their first EP, “Light Us".