Famous for his membership in an all-male K-pop group called Infinite, Lee (better known by his stage name Sungyeol), along with his bandmates, won Mnet, Seoul, Golden Disc, Korean, and Melon Music Awards for the albums Over the Top (2012) and Season 2 (2015). He has earned over 1 million Twitter followers. He and the other members of Infinite made their public debut in 2010 on the reality television program You Are My Oppa. Their debut EP, First Invasion, was released later that year.
