Ton Roosendaal (; born 20 March 1960) is a
Dutch software developer. He is known as the original creator of the
open-source 3D creation suite
Blender and Traces (an
Amiga ray tracer which was the forerunner of
Blender), he is also known as the chairman of the
Blender Foundation, and for pioneering large scale open-content projects. In 2007 he established the Blender Institute in Amsterdam, where he works on coordinating Blender development, publishing manuals and DVD training, and organizing 3D animation and game projects.