Too involved by the business-side of running a design company the size of Imaginary Forces, Cooper decided it was time to focus again on his creative work. He left Imaginary Forces, the company he co-founded, and founded Prologue in 2003.
Initially, Prologue focused on main title design, but now does motion, graphic, game and interactive design and VFX for film and TV and other media. Initially in Malibu, the company moved to brand-new offices in Venice Beach, L.A., in 2008.