Robert Audi writes, teaches, and lectures in ethics and related areas. He is John A. O'Brien Professor of Philosophy (previously David E. Gallo Professor of Business Ethics) at the University of Notre Dame. His ethics books include Practical Reasoning and Ethical Decision (2006) Moral Value and Human Diversity (2007), Democratic Authority and the Separation of Church and State (2013), Means, Ends, and Persons (2016), Of Moral Conduct: A Theory of Obligation, Reasons, and Value (2023), and The Moral Intuitionism of W. D. Ross (2026).

Nathan L. King is Edward B. Lindaman Endowed Chair at Whitworth University, where he teaches in the School of Business and the Philosophy Department. His research interests include business ethics and the theory of knowledge. He is author of The Excellent Mind: Intellectual Virtues for Everyday Life (2021).