Ari Rubenstein is the lead compositor of Ice Age: Continental Drift and has been the senior compositor for Ice Age: Dawn of the Dinosaurs as well. Ari will be the lead composer in Ice Age: Collision Course. Ari Rubenstein has been the lead compositor for many other Blue Sky Studios movies such as Rio and Epic. He was the senior compositor for Surviving Sid and the digital compositor for No Time For Nuts. Ari helped out on many other shorts.