Boo Seung-kwan (부승관; born January 16, 1998), known mononymously as Seungkwan (승관), is a South Korean singer-songwriter under Pledis Entertainment. He is a member of the boy group SEVENTEEN and its Vocal Team sub-unit. He is also part of the special sub-unit BSS.
Known For:Acting
Birthday:1998-01-16
Place of Birth:Jeju, South Korea
Also Known As:Boo Seung-kwan, 부승관, 승관, Boo, SEVENTEEN, 세븐틴