Kim Hyo Yeon, born in Incheon, also known as DJ HYO, is a singer, dancer, DJ, television personality, and member of the girl group Girls’ Generation, and later its subgroup Girls’ Generation-Oh!GG. Since 2016, she has also released singles as a solo artist.
At the age of 11, she auditioned for SM Entertainment through SM 2000 Casting System. Kim’s formal dance training started in elementary school. At her neighborhood’s small hip-hop school, she learned Hip-Hop, Jazz, and Latin dance. In 1999, she enrolled in Winners Dance School, a famous dance school in South Korea specializing in popping, locking, animation, and various other hip-hop styles. At school, she met Miss A’s Min, with whom she formed the dance team Little Winners (리틀위너스). The duo performed at various showcases and was spotlighted by HipHoper.com in 2004.
Before debuting with Girls’ Generation, Hyo Yeon was BoA’s silhouette dancer during a performance at M.net KM Music Festival 2005. She officially debuted as a member of Girls’ Generation, a South Korean girl group formed by SM Entertainment, in August 2007.