… is a biological anthropologist who studies the relationship between environmental change in different regions of Africa and the evolution of our species, Homo sapiens. Trained as a paleoecologist, she uses the identification and analysis of large-mammal fossils to reconstruct ancient environments. She has a Ph.D. from the George Washington University in Washington, D.C. and is a Research Collaborator with the Smithsonian’s National Museum of Natural History. Her international research experience includes fieldwork, museum analysis, and study abroad programs in eastern and southern Africa as well as in Europe. Catherine was a co-author on a 2018 paper published in Science that describes the environmental context of early Middle Stone Age artifacts from the site of Olorgesailie, Kenya. Currently based in Los Angeles, she teaches at California State University, Northridge. She enjoys going to the beach, hiking and being outside, traveling, and spending time with her husband and two young children.