Rob Cavallo (born March 21, 1963) is a music producer, musician and chairman of Warner Bros. Records. He has worked with various artists throughout his career including Linkin Park, Green Day, My Chemical Romance, Eric Clapton, the Goo Goo Dolls, the Dave Matthews Band, Kid Rock, Alanis Morissette, Black Sabbath, Phil Collins, Paramore and Meat Loaf. He is also a multiple Grammy winner.