Kieran Healy is associate professor of Sociology and the Kenan Institute for Ethics at Duke University. His research interests are in economic sociology, the sociology of culture, the sociology of organizations, and social theory. He is the author of Last Best Gifts: Altruism and the Market for Human Blood and Organs. His articles have appeared in numerous journals including the American Sociological Review, the Journal of Political Philosophy, and the American Journal of Sociology. Healy has taught at the University of Arizona and was a research fellow at Australian National University. He was awarded a Residential Fellowship with the Center for Advanced Study in the Behavioral Sciences at Stanford University in 2008. Healy earned an undergraduate degree in sociology and geography at the National University of Ireland (Cork) and a Ph.D in sociology from Princeton University. His current focus is on the moral order of market society, the effect of quantification on the emergence and stabilization of social categories, and the link between these two topics.