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Alexandra Maryanski is an Associate Professor of Sociology. She is trained in anthropology as well as sociology, having gone ABD in anthropology before turning to sociology where she received a Ph.D. in Social Science at the University of California at Irvine. She is known in the discipline as one of a growing group of scholars exploring the interface between evolutionary biology and sociology. Her most important works to date have focused on what knowledge of the evolution of non-human primate social structures can say about human nature, behavior, and social organization. She also has interests in social institutions, particularly kinship and religion, social network analysis, societal evolution, and the history of both sociological and anthropological theory.

Christopher Chase-Dunn is Distinguished Professor of Sociology and Director of the Institute for Research on World-Systems at the University of California-Riverside. He received his Ph.D in Sociology from Stanford University in 1975. Chase-Dunn has done crossnational quantitative studies of the effects of dependence on foreign investment, and he studies cities and settlement systems in order to explain human sociocultural evolutiuon. His research focuses on interpolity systems, including both the modern global political economy and earlier regional world-systems. One project examines the causes of the expansion and collapse of cities and empires in several regional world-systems as well as the contemporary process of global state formation. His research has been supported by the National Science Foundation. Chase-Dunn is the founder and former editor of the Journal of World-Systems Research and the Series Editor of a book series published by The Johns Hopkins University Press.  In 2001 he was elected a Fellow of the American Association for the Advancement of Science. In 2002 he was elected President of the Research Committee on Economy and Society (RC02) of the International Sociological Association. And in 2008 he was elected Distinguished Senior Scholar of the International Political Economy (IPE) section of the International Studies Association.