An Chil-hyun, known professionally as Kangta, is a South Korean singer, composer, songwriter, record producer, actor and radio personality. He is well known as a member of boy band H.O.T. He has also been the creative director of SM Entertainment since 2005. And he is the executive producer of Kreation Music Rights's label Smashhit since 2023.

H.O.T. was a South Korean boy band that was created by SM Entertainment in 1996. They are considered to be the first K-pop idol group and their successful formula became the model for many K-pop groups that followed them. The group consisted of five members: Moon Hee-joon, Jang Woo-hyuk, Tony Ahn, Kangta, and Lee Jae-won.