In addition to ASU faculty, IHO incorporates an international network of research affiliates whose research perspectives, skills, and tools extend and reinforce IHO’s transdisciplinary mission in human origins research and student training.

Zeresenay Alemseged PhD, University of Chicago, Illinois
African early hominins, paleoecology

Ramon Arrowsmith, School of Earth and Space Exploration, Arizona State University
Earthquake geology, paleoseismology, geomorphology of fault zones

Geoffrey Clark PhD, Arizona State University
Archaeology, paleoanthropology, epistemology, hunter-gatherers; Spain, Jordan

Erella Hovers PhD, The Hebrew University of Jerusalem
Plio-Pleistocene archaeology in East Africa

Panagiotis Karkanas PhD, American School for Classical Studies in Athens
Geoarchaeology

Jay Kelley PhD, Institute of Human Origins, Arizona State University (Courtesy Affiliate)
Evolution of great apes, Miocene hominoids

Zarin Machanda, Department of Anthropology, Tufts University
Social relationships among wild chimpanzees

Alex Piel, Department of Anthropology, University College London
Behavioral adaptations of chimpanzees

Yoel Rak PhD, Tel Aviv University, Israel
Early African hominins, Neandertals, functional anatomy

Carol Ward PhD, University of Missouri
Biological anthropology

Melissa Wilson PhD, School of Life Sciences, Arizona State University
Computational evolutionary biology

Mathew Zefferman, Department of Defense Analysis, Naval Postgraduate School, Monterey CA
Mathematical models and ethnographic research to understand human culture, cooperation, and conflict