Jeff Montalvo, known professionally as Seven Lions, is an American DJ, record producer, instrumentalist and remixer from Santa Barbara, California. Active musically since 2010, his music combines styles as diverse as trance, melodic dubstep, drum and bass, glitch hop, and electro house. He has released eight EPs, multiple singles, and official remixes for record labels such as Casablanca Records, Owsla, Viper Recordings, Anjunabeats, Republic Records and Monstercat.

Monstercat is a Canadian independent electronic music record label based in Vancouver, British Columbia.