Associate Professor of Philosophy at the Australian National University. Previously, he has been a lecturer at the University of Sydney, a postdoctoral researcher at Oxford, and a PhD student at MIT. He works in epistemology, decision theory, ethics, and legal philosophy. He is the author of Reasons without Persons (OUP 2015) and articles in Journal of Philosophy, Mind, Ethics, and Philosophy and Public Affairs, among others. Most recently, he has written on collective action problems, probabilistic standards of proof, and statistical criteria of algorithmic fairness.