In 2007 he also became the all-time leader in career event wins by winning the Boost Mobile Pro event at Lower Trestles near San Clemente, California.
The previous record was held by Slater's childhood hero, three-time world champion Tom Curren.
In the late 1990s Slater, with friends and fellow pro surfers Rob Machado and Peter King, formed a band called The Surfers.
The trio released an album in 1998 titled Songs from the Pipe, a reference to the famous surf spot Pipeline on Oahu, Hawaii.
The contest will feature five teams - USA, Brazil, Australia, Europe and World - made up of men's and women's surfers from the WSL Championship Tour. In his spare time Slater enjoys playing the guitar, composing sonnets, and spending quality time with longtime girlfriend Kalani Miller, who often travels and supports him on the ASP World Tour.In 1999, he appeared alongside Garbage singer Shirley Manson in the promotional video for the band's single "You Look So Fine".He played a man washed up on a seashore, then rescued by Manson.He is the youngest (at age 20) and the oldest (at age 39) to win the title.Upon winning his fifth world title in 1997, Slater passed Australian surfer Mark Richards to become the most successful champion in the history of the sport.