SUNGMIN or LIU, born on January 1, 1986, as 이성민 (Lee Sungmin) in Ilsan-gu, Goyang, South Korea. He is a Korean singer, song-writer and actor. He is a member of the South Korean boy band Super Junior and its sub-unit Super Junior-T, Super Junior-H* and Super Junior-M and currently signed with SM Entertainment.

In his pre-debut days, Sungmin was in a project R&B group with Junsu and future bandmate Eunhyuk. In 2002, his first television appearance was in a show called ”Heejun vs. Kangta, Battle of the Century: Pop vs. Rock”.

In November 2019, Sungmin made his debut with his first mini-album, ”Orgel” that topped charts in some countries.