Nathan Vegdahl is an animator from Portland, Oregon USA. He studied
computer animation at Henry Cogswell College and Cogswell Polytechnical College. He is now working on Project Peach in Amsterdam as a rigger and animator.
Claudio Andaur is a animator and modeling 3D for educational purposes.
He recently made animations of personages in the project of video
"the Cid" and visual effects and animation 3D for television (Los secretos de
Papa).

Here you can find more information and materials from the Blender Conference presentation: