Andrew Wotman (born October 20, 1990), better known as Andrew Watt or simply Watt, is an American musician, guitarist, singer and record producer. He was born in New York City. In 2013, Watt was a founding member and guitarist of the rock band California Breed. He won a Grammy Award in 2019 for his work on Cardi B's album "Invasion of Privacy". It won Rap Album of the Year. He is also known for working with rapper Post Malone and singer Ozzy Osbourne.