Lee Juck was born in Seoul and attended Banpo High School. He graduated from Seoul National University with a major in sociology. He made his debut as a member of Panic with his neighborhood buddy Kim Jin Pyo in 1995 and worked with Kim Dong-ryul as a project band Carnival in 1997. In 1999, he released his first solo album Dead End. His third album 나무로 만든 노래 (Songs Made of Wood) won the 'Album of the Year', 'Song of the Year', 'Best Pop Album' and 'Best Pop Song' from the Korean Music Awards in 2008.