Louie Psihoyos
Louis (Louie) Psihoyos (born April 15, 1957) is an American photographer and documentary film director known for his still photography and contributions to National Geographic. Psihoyos, a certified SCUBA diver, has become increasingly concerned with bringing awareness to underwater life. In 2009, he directed and appeared in the feature-length documentary The Cove, which won an Oscar for Best Documentary Feature.
Definition from Wikipedia – Louie Psihoyos