Hwang Chan-sung (Hangul: 황찬성, Hanja: 黃燦盛, born February 11, 1990), generally known by his stage name Chansung, is a South Korean singer, songwriter, rapper and actor. He is a member of the Korean boy band 2PM. Chansung made his debut as an actor in the 2006 comedy series Unstoppable High Kick, and since then has gone on to star in the Japanese drama Kaitō Royale (2011) and 7th Grade Civil Servant (2013).
Chansung was born in Seoul, South Korea, where he still resides. Chansung was educated at Korean Arts High School and Howon University.
Before becoming a singer in 2PM, Chansung was a television actor having played roles in MBC's 2006 comedy "Unstoppable High Kick" and then in KBS2's 2008 drama Jungle Fish. It was also during this time, in 2006, that he auditioned for, and was named, one of the dozen finalists (including his future bandmates Lee Junho and Taecyeon) to compete in the show "Superstar Survival".