Kim Tae-yeon (Hangul: 김태연; Hanja: 金太妍; born March 9, 1989), commonly known as Taeyeon, is a South Korean pop singer, actress, and spokesmodel. She is the leader of the Korean nine-member girl group Girls' Generation, formed by SM Entertainment in 2007. She has also worked as TV presenter, radio DJ and appeared in reality-variety shows, as well as recording solo singles. She is known as Taiyan (Chinese: 太妍; pinyin: Tàiyán) in China, written 泰妍 in Taiwan. Taeyeon is loved by her fellow members and countines to be the best kid leader and loved snsd member.
Taeyeon(태연) was born in the city of Jeonju, North Jeolla on March 9, 1989. She was trained in singing and dancing. Taeyeon was discovered in the 2004 SM Entertainment's 8th Annual Best Contest winning Best Singer 1st Place & Grand Award in the contest. In 2004, she was featured in The One's song "You Bring Me Joy" before debuting as Girls' Generation leader. She is a 2008 graduate of Jeonju Art High School and was decorated by the Lifetime Achievement Award of the high school.
Taeyeon has contributed to a couple of soundtracks as a solo artist, singing the theme song "Manyage" ("만약에", "If") for the KBS2 drama Hong Gil Dong and "Deullinayo" ("들리나요", "Can You Hear Me") from the Beethoven Virus soundtrack. "If" became popularon various online charts, around the same time "Baby Baby" was released, while "Deullinayo" received the YEPP Popularity award at the 2008 Golden Disk Awards.
She also sang "SarangInGulYo" ("사랑인걸요", "It is love") with Sunny for the drama Heading to the Ground, and the "S.E.O.U.L." song with members of Super Junior and Girls' Generation. She also sang the song for Caribbean Bay with her fellow members Jessica, Seohyun, Tiffany and Yuri with 2PM.
She sang a duet song with her mentor The One, called "Like a Star" which was released on November 17, 2010. She also sang in the soundtrack of SBS's Athena:Goddess of War, with the song "I Love You". The song was released on 13 December 2010. The song took number 1 in some hit charts.
On January 31, 2011, Taeyeon sang a duet with Kim Bum Soo, titled "Different". The song also took number 1 not long after it was released. Sumber : Wikipedia