His primary research interests are the ethics of belief, ignorance, scientism, and various issues in the philosophy of religion, such as whether God has a sense of humor. He edited Moral and Social Perspectives on Ignorance (2016), and he co-edited The Epistemic Dimensions of Ignorance (2016) and Scientism: A Philosophical Exposition and Evaluation (OUP, 2017). He also regularly publishes opinion pieces in newspapers, does radio and television interviews, and engages in public debates on several controversial issues in ethics and the philosophy of religion.