13.05.1935 (88 years) (San Francisco, California, USA)
Burnett "Burny" Mattinson (born May 13, 1935) is an American storyboarder for Walt Disney Animation Studios. Starting work in 1953, Burny has been, and still is part of Disney today. Mattinson was honored as an inductee of the Disney Legends program in 2008. Mattinson is officially the longest serving employee of The Walt Disney Company.