[1] Westenhofer also received his master's degree at the George Washington University School of Engineering and Applied Science in 1995, where he studied the use of dynamics in physically based animation.
[2] In 1994, he joined Rhythm & Hues as a technical director, and Westenhofer's lighting and effects animation work was featured in Batman Forever and numerous commercials.
He was promoted to CG supervisor for Speed 2: Cruise Control, and continued in that role for Spawn, Mouse Hunt, Kazaam and Waterworld.
In 2005, Westenhofer supervised a team of 400 digital artists on The Chronicles of Narnia: The Lion, the Witch and the Wardrobe, which was nominated for an Academy Award for Best Visual Effects.
[5] During the Academy Awards, when Westenhofer brought up Rhythm and Hues' financial issues during his speech, the microphone was cut off, which prompted many protests by the visual effects industry.