Hilary Greaves is a Professor of Philosophy at the University of Oxford, and former Director of the Global Priorities Institute. Her main current research focus is on issues of global prioritisation. Besides that, her interests include: foundational issues in consequentialism ('global' and 'two-level' forms of consequentialism), interpersonal aggregation (utilitarianism/prioritarianism/egalitarianism/etc., and anti-aggregationist views), population ethics (pure and applied), moral uncertainty, the interface between ethics and economics, and formal epistemology.