Who is Super Junior Yesung ?

Kim Jong Woon was born on 24 August 1984, mononymously credited by his stage name Yesung. He is a South Korean singer, Musical Actor, and radio DJ. He is best known as a member of the K-pop boy band Super Junior and its subgroup Super Junior K.R.Y and Super Junior H. He is one of the three main vocalist of Super Junior. His stage name "Yesung" is translated to "art like voice".

Biography
Yesung was born on August 24, 1984 in Seoul and later moved to Cheonan, South Chungcheong at age 10. He is the older son of two, his younger brother's name is Kim Jong Jin. From a young age, Yesung expressed an interest in singing. In 1999, he joined a broadcast singing competition and won gold at the Cheonan Singing Competition. In 2001, Yesung's mother signed him up to audition for SM Entertainment Starlight Casting System, in which he impressed the judges with his "artistic voice", and signed as signed as trainee under SM Entertainment that same year.

2005-2007 : Debut with Super Junior
Yesung officially debut as part of 12-member project group Super Junior 05 on 6 November 2005 on SBS's music programme Popular Songs, performing their first single, "Twins (Knock Out)". Their debut album Super Junior 05 (Twins) was released a month later on 5 December 2005 and debuted at #3 on the monthly MIAK K-pop album charts.
In March 2006, SM Entertainment began to recruit new members for the next Super Junior generation. However, plans changed and the company declared a halt in forming future Super Junior generations. Following the addition  of thirteenth member Kyuhyun, the group dropped the suffix "05" and became officially credited as Super Junior. The re-polished group's first CD single "U" was released on 7 June 2006, which was their most succesful single until the release of "Sorry-Sorry" in March 2009. In the fall of 2007, the group released their second official album, Don't Don, Wich became Super Junior's best selling album of the year.
From September 2006 to September 2007, Yesung was host for radio program, M.I.R.A.C.L.E for you, where members Super Junior often appeared as guests. However, before the radio show's first unniversary, Yesung left in order to concentrate on Super Junior second album, Don't Don. The last air date for radio show was 8 September 2007. In November 2006, Yesung, along with members Ryeowook and Kyuhyun, formed Super Junior's first subgroup, Super Junior K.R.Y, a group specializing in R&B ballads.
In 2007 Yesung became a member Super Junior H. He debut as an actor on 26 July 2007 with the release of Attack on Pin-Up Boys, a high school comedy starring fellow Super Junior members. He played the school's rock star who gets attacked by a mysterious force.