Singer and guitarist who came to fame as a member of the now-defunct K-pop boy band LedT before finding success as a solo artist with singles like "Winter Wind." He hosted the live music request show After School Club from 2013 to 2014.
He studied at the Queensland University of Dentistry before moving to South Korea to pursue his dream of becoming a singer.
He has been a contestant on several reality and game shows, including Society Game and Code: Secret Room.
He was known as Jason Jang in Australia. His father was a golfer.
His music video with LedT, "Someone Met By Chance," features actress Nam Gyu-ri.