Kim Jae-hwan Jae-hwan performing at Gocheok Sky Dome in August 2017 Born 김재환 (1996-05-27) May 27, 1996 Seoul, South Korea Education Howon University Occupation Singer Musical career Genres K-pop, rock Instruments Vocals guitar Years active 2012–present Labels CJ E&M Associated acts ShelRock Wanna One Website Wanna One Korean name Hangul 김재환 Hanja 金在奐 Revised Romanization Gim Jae-hwan McCune–Reischauer Kim Chae-hwan