Sebastian Hayden is a Project Associate at PRÉCIS, a new initiative of 3PR in collaboration with the Philosophy Department. He is interested in ancient ethics, especially Aristotle’s moral psychology and theory of decision-making. His senior thesis is titled “Are Virtue and Vice up to Us? A Study of Nicomachean Ethics III.5.” Sebastian is a graduate of Princeton University, where he earned his A.B. in Philosophy in May 2024, with certificates in Hellenic Studies, Humanistic Studies, and Medieval Studies.