Julia Tejada is a paleontologist who uses the chemical composition of fossils and modern bones to understand how ecosystems change through time, as well as how animals partition their resources within an ecosystem. Julia received her PhD from Columbia University and the American Museum of Natural History. She has published scientific articles widely and has led expeditions in the Andean Plateau, coastal deserts of Peru, and western Amazonia. She is the first female vertebrate paleontologist in Peru, her country of origin.