Han and his family immigrated to the United States when he was 12, moving to Flushing, Queens in New York.

[8] Han auditioned for the eleventh season of American Idol in Pittsburgh, Pennsylvania in early 2012.

He received praise from the judges for his performance of Michael Bolton's "How Am I Supposed to Live Without You" and advanced to the next round.

[10] He then advanced through the finals with performances of "All in Love Is Fair" by Stevie Wonder,[11] "Right Here Waiting" by Richard Marx[12] and "My Life" by Billy Joel.

[15] Han released his debut single, "Bring the Love Back", featuring rapper Pusha T, on September 17, 2013.