Ruth Chang is the Chair and Professor of Jurisprudence at the University of Oxford and a Professorial Fellow at University College, Oxford. She was previously a professor of philosophy at Rutgers University and has held visiting positions at the UCLA philosophy department and at the University of Chicago Law School.

Her current academic interests concern the nature of normativity, the structure of values and reasons, practical reason, agency, rationality, population ethics, love, commitment, decision-making, and the self. She has edited fundamental books in the field [Incommensurability, Incomparanility and Practical Reason (Harvard University Press, 1999); Routledge Handbook of Practical Reason (with Kurt Sylvan) (Routledge, 2020)] and she is the author of Making Comparisons Count (Routledge, 2001). She has also published several papers in the top philosohy journals. Her most recent publications include ´'Do We Have Normative Powers?' (2020) Aristotelian Society Supplementary Volume 94: 275-300; and 'Hard Choices' (2017) APA Journal of Philosophy, 92: 586-620.