Sean Michael Leonard Anderson (born March 25, 1988), known professionally as Big Sean, is an American rapper. He met Kanye West as a teenager, and signed with his record label GOOD Music, an imprint of Def Jam Recordings in 2007.

He gained popularity following the release of his third mixtape, Finally Famous Vol. 3: Big (2010). His first two studio albums, Finally Famous (2011) and Hall of Fame (2013), both peaked at number three on the Billboard 200 and spawned the Billboard Hot 100-top 40 singles "My Last" (featuring Chris Brown), "Marvin & Chardonnay" (featuring Kanye West and Roscoe Dash), "Dance (Ass)" (remixed featuring Nicki Minaj), and "Beware" (featuring Lil Wayne and Jhené Aiko).