Joel Sartore is a photographer, speaker, author, teacher, conservationist, National Geographic Fellow, and a regular contributor to National Geographic magazine. Sartore specializes in documenting endangered species and landscapes in an effort to show a world worth saving. He is the founder of the National Geographic Photo Ark, a multi-year documentary project to save species and habitat. In addition to this work, Sartore has contributed to Audubon magazine, Time, Life, Newsweek, Sports Illustrated and numerous book projects.