JUNG JIN-YOUNG Leader – B1A4 FACTS: Name – Jung Jin-young (Jinyoung) Hangul – 정진영 Date of Birth – November 18, 1991 Place of Birth - Chungju, North Chungcheong Province, South Korea Jinyoung was discovered on Cyworld through a photo of him posted on the website. He trained for roughly 2 years on singing, composing and acting before joining B1A4. Jinyoung was the first member of B1A4 revealed to the public on April 11, 2011. The group made its official