Glen Pettigrove holds the Chair in Moral Philosophy at the University of Glasgow, UK. His research focuses on virtues and moral emotions. He is the author of Forgiveness and Love (2016) and numerous articles in academic journals, including Ethics, Nous, and Philosophy and Phenomenological Research.

Christine Swanton is an Honorary Research Fellow at the University of Auckland, New Zealand. She is the author of The Virtue Ethics of Hume and Nietzsche (2015), Virtue Ethics: A Pluralist View (2005), and Freedom: A Coherence Theory (1992).