Brian Joo (born January 10, 1981), better known as simply Brian, is a Korean-American R&B, K-pop singer where he is known as a member of R&B duo Fly to the Sky. His solo album, The Brian was released in December 2006. His 2nd solo album, Manifold was released in December 2009. He had two birth names as Brian Gintaek Joo for American, and Joo Jin-taek for Korean. Later he changed his each real name to Brian Minkyu Joo for American, and Joo Min-kyoo for Korean.