His primary research interests are in Consequentialism and non-naturalist normative realism. His secondary interests span from applied ethics (e.g. the harm of death, duties of beneficence, and resource allocation) to epistemology (e.g. peer disagreement, higher-order evidence, and the a priori) to metaphysics (e.g. p-zombies, anti-haecceitism, personal identity, and the nature of time).