Jung Jin Young (Hangul: 정진영; hanja: 鄭振永; born November 18, 1991), better known by his stage name Jinyoung, is a South Korean idol, composer, producer, actor and a member of boy band B1A4. He made a debut on the stage of MBC Show! Music Core on April 23, 2011. He has been part of six Korean mini albums, two Korean studio albums, and two Japanese studio albums.