Hilary Greaves is Associate Professor in the Faculty of Philosophy at the University of Oxford. Besides population ethics, her research interests include foundational issues in consequentialism (‘global’ and ‘two-level’ forms of consequentialism), the debate between consequentialists and contractualists, issues of interpersonal aggregation (utilitarianism, prioritarianism and egalitarianism), moral psychology and selective debunking arguments, the interface between ethics and economics, the analogies between ethics and epistemology, and formal epistemology.