Gregory Allen Kurstin (born May 14, 1969) is an American record producer, musician and songwriter.
He is a prolific pop producer famed for his work with Kylie Minogue, Niall Horan, Lykke Li, Sia, MARINA, Sky Ferreira, Lily Allen, Shirley Manson, Kelly Clarkson, Lana Del Rey, No Doubt, Adele, Ellie Goulding, Foo Fighters and more.