Lee Jong Hyun , born in Busan on May 15, 1990.
His family consists of his parents and an older sister. He lived in Busan before his family moved to Japan when he was four years old. His family moved back to Busan and he finished his middle school and high school there. He first met Jung Yong Hwa when they were on their way to Seoul for F&C Music audition and began training in Bass technology at F&C Academy.
He is a South Korean musician, idol, singer and actor. He has been a member of the Korean band C.N. Blue since its creation in 2009. Lee Jong Hyun was the band leader when the band made their debut in Japan. After their Korean debut, Jung Yong Hwa became the new leader of C.N.BLUE in January 2010.
Jonghyun is now the guitarist and vocalist of C.N. Blue. He also composed songs for their albums.