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 on the effects of dependence on foreign investment, and he studies cities and settlement systems. His recent research focuses on intersocietal systems, including both the modern global political economy and earlier regional world-systems. One project examines the causes of empire expansion and urban growth (and decline) in the Afroeurasian world-system over the last 4000 years as well as the contemporary process of global state formation. His studies of economic and political globalization in the modern world-system over the past 200 years are supported by the National Science Foundation. Chase-Dunn is the founder and co-editor of the electronic Journal of World-Systems Research. and the Series Editor of two 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.