Kim Tae-yeon known officially as Taeyeon, was born on March 9, 1989. She is a South Korean singer, known for being the leader of 9-member girl group Girls' Generation, formed by SM Entertainment in 2007. Taeyeon and the other eight members of her group debuted on July 19, 2007. She has since ventured out into DJ-ing and reality-variety shows, along with various solo singles.

Tae-yeon was born in the city of Jeonju, North Jeolla. She graduated Jeonju High School of Art on February 5, 2008. Taeyeon, like the rest of her group, was professionally trained in singing and dancing. Taeyeon was discovered in the 2004 8th Annual Best Contest winning first place in the contest. She later featured in The One's song You Bring Me Joy before debuting as SNSD.

She was moved into a dormitory with Ara, Tiffany of Girls' Generation, and also Zhang Liyin.