First Name: Hyo Sung
Family Name: Jeon
Native name: 전효성
Also Known as: Jeon Hyosung;Jeon Hyo Seong;Jun Hyo Seong;Jun Hyo Sung
Nationality: South Korean
Gender: Female
Born: October 13, 1989
Jeon Hyo Sung is a South Korean idol singer and dancer. She is best known as the leader of a popular South Korean girl group, Secret.
Please 
