Lee Sang-hyuk (이상혁, イ・サンヒョク), best known by the stage name Da Won (다원, ダウォン), is a South Korean singer and performer. He’s a lead vocalist on SF9.
Lee Sang-hyuk was born on July 24, 1995 in Bucheon, Gyeonggi-do, South Korea. He’s an only child.
Source: sf9 fandom