Sean Mattison

Sean Mattison is an American former professional surfer and current professional surf coach and mastermind behind Kelly Slater's "nubster". A fifth fin that was created by Mattison that some critics say helped Kelly Slater win his 11th ASP World Championship. Mattison also is the designer of his own alternative high performance surfboards and surfboard fins named Von-Sol.

Another notable design influenced by Mattison was, Kelly Slater's "nubster". A fifth fin that was created by Mattison that some critics say helped Kelly Slater win his 11th ASP World Championship.

In 2009 Assistant Coach Sean Mattison along with Head Coach Ian Cairns founder of the Association of Surfing Professionals coached the 2009 USA Surf Team to a Gold Medal in the 2009 ISA World Championships. Prior to that win, the USA had not won a Gold Medal since 1996. in Costa Rica; France: 2nd Place, Australia: 3rd Place.

Sean Mattison was the General Manager and Chief Board Buyer for Surf Ride Inc. in Oceanside, California from 1997 through 2007. Known as a surfboard specialist, Surfing Magazine did an article on Mattison called "Lord of the Boards". When Clark Foam a surfboard foam manufacturer that supplied 90% of blank surfboards in the United States closed its doors, Surfer Magazine ran its only cover in history that just has a surfboard on its cover with Mattison's quotes going across, "This Changes Everything"

In 1990, Mattison married and had his first child in 1993. In Their Own Words: Sean Mattison - PacSun USA Surf Team Assistant Coach Mattison and his wife are now parents of three children. Mattison won the [U.S. Open of Surfing] Master's Division the same year his wife competed and won 4th in the Women's. Mattison and his family were in an article for Coastal Living Magazine called Hang Ten Holidays.

Mattison was born in Kalamazoo, Michigan, United States on 24 March 1969. Mattison moved to Atlantic Beach, Florida in 1973 and started surfing in 1974. By 1977 Mattison started competing in surf competitions at the age of eight in Jacksonville Beach, Florida. Mattison grew up surfing on the east coast in the ESA also known as Eastern Surfing Association. In 1980, Mattison was a member of the ESA All-Stars with fellow professional surfer and 11x ASP World Champion Kelly Slater. Mattison also placed 5th overall at the NSSA Nationals and was a member of the NSSA national team. Mattison's amateur career was between 1977–1987.

Mattison is the designer of his own surfboard label Von-Sol Surfboards. Mattison having a former background in design collaborated with Mike Hynson to make the "Black Knight Quad" a four fin surfboard that had much success in design. Mike Hynson is co-star of the hit 1966 surf movie "The Endless Summer" directed by Bruce Brown. Mike Hynson and fellow co- star Robert August travel the world in search for surf.