Dr. Isaac Ullah (PhD, Arizona State University, 2013) joins the department as Visiting Scholar, Center for Comparative Archaeology, 2013-2014 academic year. He is an anthropological archaeologist interested in the complex and recursive interactions between humans and their environments. He has developed a methodological expertise in computational simulation modeling and GIS and has focused his research on understanding the long-term trajectories of early food producing subsistence economies. Additional interests include geoarchaeological survey, household archaeology, and microrefuse analysis.