J. Michael Fay (born September 1956, Plainfield, New Jersey) is an American ecologist and conservationist notable for, among other things, the MegaTransect, in which he spent 455 days walking 2,000 miles (3,200 km) across Africa and the MegaFlyover in which he and pilot spent months flying 70,000 miles in a small plane at low altitude, taking photographs every twenty seconds. Both projects were sponsored by the National Geographic Society, which produced articles and documentaries about the projects.