Yoon Jung-han (윤정한; born October 4, 1995), known professionally as Jeonghan (정한), is a South Korean singer-songwriter under Pledis Entertainment. He is a member of the boy group SEVEN
Yoon Jung-han (윤정한; born October 4, 1995), known professionally as Jeonghan (정한), is a South Korean singer-songwriter under Pledis Entertainment. He is a member of the boy group SEVENTEEN and its Vocal Team sub-unit.
