National Geographic Fellow Thomas Lovejoy is a tropical and conservation biologist credited with being the first to use the term “biological diversity” in 1980 during his tenure as director of the World Wildlife Fund-U.S. He founded the public television series Nature, and for many years served as principal advisor to the series. He has been president of the American Institute of Biological Sciences, chairman of the U.S. Man and the Biosphere Program, president of the Society for Conservation Biology, and chief biodiversity advisor for the World Bank. In 2001, Tom became senior advisor to the president of the United Nations Foundation, and he is a research associate of the Smithsonian Tropical Research Institute. He is currently a University Professor in the Environmental Science and Policy department at George Mason University. Thomas will join for a portion of this expedition.