Kirk Lee Hammett is an American musician who has been lead guitarist and a contributing songwriter for the heavy metal band Metallica since 1983. Before joining Metallica he formed and named the band Exodus. In 2003, Hammett was ranked 11th on Rolling Stone's list of The 100 Greatest Guitarists of All Time. In 2009, Hammett was ranked number 15 in Joel McIver's book The 100 Greatest Metal Guitarists.