(B.Phil., Oxford; Ph.D., Harvard). His main interests span moral and political philosophy, practical reason, and applied ethics. His current work focuses on population ethics, the ethics of risk, moral dilemmas and moral luck, the notion of interpersonal justification, and the ethics of immigration and national partiality. Publications include “Contractualism and Social Risk” (Phil. & Public Affairs, 2015), “What We Owe to Hypocrites” (Phil. & Public Affairs, 2016), “National Partiality, Immigration, and the Problem of Double-Jeopardy” (Oxford Studies in Political Phil. 2020) and “Conditional Reasons and the Procreation Asymmetry” (Philosophical Perspectives, 2020).