Mathew Cullen is an American music video, commercial, and film director. He is co-founder of production company Motion Theory and co-founder of creative studio Mirada with Guillermo del Toro. Cullen has directed and produced hundreds of commercials and music videos, including two of the most viewed videos of all time: Katy Perry’s “Dark Horse” at #3 and “Roar” at #4, both with over a billion view...