November 29, 2006 (Age: 18)
Suwon, Gyeonggi, South Korea
Acting
Kim Woon-hak (김운학; born November 29, 2006), known mononymously as Woonhak (운학), is a South Korean singer, songwriter and MC under KOZ Entertainment. He is the maknae of the boy group BOYNEXTDOOR.
