Park Jae-hyung (Korean: 박제형; born September 15, 1992), better known as Jae, is a Korean American musician, singer, songwriter, rapper and composer best known as a vocalist and electric guitarist of South Korean rock band Day6. Prior to joining Day6, he gained attention in South Korea as one of the final six finalists of the first season of the singing competition television series K-pop Star.
Park was born in Argentina. He moved to South Korea for two years when he was five years old, and later moved to Cerritos, California. He graduated from Cerritos High School and later studied political science at California State University, Long Beach until he passed the preliminary auditions for K-pop Star and moved to South Korea.
Though he was eliminated from the series on April 1, 2012, as one of the final six finalists, Park later went on to sign an exclusive contract with JYP Entertainment along with fellow contestants Baek A-yeon and the season’s first-place winner Park Ji-min.
Park debuted on September 7, 2015, as a vocalist and electric guitarist of JYP’s first rock band, Day6. The band debuted with EP The Day. In late March 2016, the band released its second EP Daydream, for which Park participated in the making of two tracks: “Blood” and “First Time.” Park continues to actively participate in the making of numerous tracks following their “Daydream” album.
On June 28, 2016, he became an MC of Arirang’s After School Club, alongside Park Ji-min and Kevin Woo, formerly of U-KISS. He officially graduated as ASC’s MC on July 17, 2018.
Park was a guest DJ every Monday on Arirang Radio’s Monday Music Access with singer, Bernard Park. His last appearance as a guest DJ was on April 30, 2018.