Gregory Dean Camp (born April 2, 1967),[1] is an American guitarist, songwriter, and vocalist. He is best known as a founding member of the rock band Smash Mouth and served as a guitarist and songwriter across several stints (1994–2008, 2009–2011, 2014, 2018–2019).[1][2] Camp is credited as one of the main songwriters for the band, and as such received a Grammy nomination for the song "All Star".[3][4] Since leaving the band for a solo career in 2008, he has rejoined Smash Mouth periodically.[5] Camp is currently a member of The Defiant.[6]