Park Jae-hyung (Korean: 박제형; born September 15, 1992), known professionally as Jae Park, Jae or eaJ (제이), is an American singer, songwriter, and former member of the South Korean pop rock band Day6. He gained early recognition by competing in the first season of K-pop Star in 2012, where he finished in sixth place before signing with JYP Entertainment. Park debuted as the lead guitarist and vocalist of Day6 in September 2015 and was with the group until his departure in December 2021.
