Zeray Alemseged is Irvine Chair and Senior Curator of Anthropology at the California Academy of Sciences. His research focuses on the evolution of the earliest human ancestors, and the environmental and ecological factors affecting their evolutionary processes. He has published extensively in peer-reviewed journals, such as Nature, Sciences, PNAS, the Journal of Human Evolution and the American Journal of Physical Anthropology, and his research has been featured in many high profile media including, CNN, NOVA-PBS, BBC, TED. Zeray is a founder and director of the Dikika Research Project and is most well known for his discovery of Selam, the almost complete skeleton of a three-year-old Australopithecus afarensis, often referred to as “the world’s oldest child”.