Rex Grignon initially was studying and planning on being a civil engineer throughout high school, but due to several different opportunities, he went to film school, then created a demo animation, and found his 'this is it' job working with computer animation and character design for PDI/Dreamwork's, and has done work with Pixar as well. He has now been the Head of Character Design for PDI/Dreamwork's for over ten years.

https://roadtripnation.com/leader/rex-grignon