CLAUDIO CIOFFI-REVILLA, Ph.D. is a computational social scientist with doctorates in quantitative political science and international relations. He specializes in conflict analysis and research methods, modeling, and simulation. He is currently Professor of Computational Social Science and founding Director of the Center for Social Complexity at George Mason University, Fairfax, Virginia. At GMU he established and directs a new Ph.D. program in Computational Social Science, the first graduate program of its kind specifically focused on CSS. His research has been funded by NSF, DARPA, and other agencies, including collaborative research with the National Museum of Natural History, Smithsonian Institution. Professor Cioffi has published numerous articles in leading journals and five books, including Politics and Uncertainty (Cambridge University Press, 1998) and Power Laws in the Social Sciences.