in 2007, Ellenbogen left the company, along with Engelman. The two collaborated in January 2008 with GTCR to form Boomerang Media, LLC. Boomerang Media purchased Entertainment Rights in 2009, bringing Classic Media back under his control.

In 2012, DreamWorks Animation acquired Classic Media and renamed it DreamWorks Classics. At that time, he became the head of DreamWorks Animation's