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Professor Jonathan Webber

Professor Jonathan Webber

Deputy Head and Head of Subject

+44 29 2087 5660
1.54, John Percival Building, Colum Drive, Cardiff, CF10 3EU
Available for postgraduate supervision


I  am currently Deputy Head of School and Head of Philosophy, having arrived here as Lecturer in 2008.

I research and teach at the intersection of moral philosophy and the philosophy of psychology. I am especially interested in what contemporary social psychology can offer to current debates in moral philosophy, and in how philosophy and psychology can be informed by twentieth-century French existentialism.  

I am President of the UK Sartre Society and a Trustee of The Mind Association. I was President of the British Society for Ethical Theory 2014-19.

My most recent book is Rethinking Existentialism, published by Oxford University Press in 2018. One review has described it as "the only book one needs".

The best way to find out more about my work is to read or listen to my freely available Aeon magazine essay Against Type, which is about French existentialism, social psychology, and contemporary ethics.


Professor of Philosophy, Cardiff University, since 2017

Reader in Philosophy, Cardiff University, 2012-17

Senior Lecturer in Philosophy, Cardiff University, 2010-12

Lecturer in Philosophy, Cardiff University, 2008-10

Lecturer in Philosophy, University of Bristol, 2006-8

Lecturer in Philosophy, University of Sheffield, 2001-6

PhD in Philosophy, University of London, 2001

MPhil in Philosophy, University of London, 1997

BA(Hons) in Philosophy and Theology, University of Oxford, 1994








  • Webber, J. 2016. Knowing one's own desires. In: Dahlstrom, D. O., Elpidorou, A. and Hopp, W. eds. Philosophy of Mind and Phenomenology: Conceptual and Empirical Approaches. Routledge Research in Phenomenology Abingdon and New York: Routledge, pp. 165-179.
  • Webber, J. 2016. Habituation and first-person authority. In: Altshuler, R. and Sigrist, M. J. eds. Time and the Philosophy of Action. Routledge Studies in Contemporary Philosophy Abingdon and New York: Routledge, pp. 189-204.
  • Webber, J. 2016. Instilling virtue. In: Masala, A. and Webber, J. eds. From Personality to Virtue: Essays on the Philosophy of Character. Oxford: Oxford University Press, pp. 134-154.
  • Masala, A. and Webber, J. eds. 2016. From personality to virtue: essays on the philosophy of character. Oxford: Oxford University Press.



  • Rees, C. F. and Webber, J. 2014. Automaticity in virtuous action. In: Snow, N. and Trivigno, F. eds. The Philosophy and Psychology of Character and Happiness. Routledge Studies in Ethics and Moral Theory London: Routledge, pp. 75-90.


  • Webber, J. 2013. Liar!. Analysis 73(4), pp. 651-659. (10.1093/analys/ant081)
  • Webber, J. 2013. Cultivating virtue. In: Carel, H. and Meacham, D. eds. Phenomenology and Naturalism: Examining the Relationship between Human Experience and Nature. Royal Institute of Philosophy Supplements Vol. 72. Cambridge: Cambridge University Press, pp. 239-259.
  • Webber, J. 2013. Bad faith and the unconscious. In: LaFolette, H. ed. International Encyclopedia of Ethics. Wiley, pp. 471-479.
  • Scaife, R. and Webber, J. 2013. Intentional side-effects of action. Journal of Moral Philosophy 10(2), pp. 179-203. (10.1163/17455243-4681004)
  • Webber, J. 2013. Authenticity. In: Churchill, S. and Reynolds, J. eds. Jean-Paul Sartre: Key Concepts. Acumen, pp. 131-142.
  • Rees, C. F. and Webber, J. 2013. Constancy, fidelity, and integrity. In: van Hooft, S. ed. The Handbook of Virtue Ethics. Acumen Handbooks Abingdon: Acumen, pp. 399-408.




  • Webber, J. 2010. Character. The Philosophers' Magazine 50, pp. 112-113.
  • Webber, J. 2010. Existentialism. In: Skorupski, J. ed. The Routledge Companion to Ethics. London: Routledge, pp. 230-240.







I am interested in supervising doctoral research that does at least one of these things:

  • considers implications of cognitive psychology or social psychology for moral philosophy
  • analyses concepts and claims central to contemporary social psychology
  • argues for the relevance of works of twentieth-century existentialism to moral philosophy
  • analyses works of twentieth-century phenomenology and existentialism

Current Projects

Post-Ironic Existentialism
– Thom Hamer

Reciprocity and Universal Moral Grammar
– Harriet Ivison

The Problem of Disgust for Naturalistic Virtue Ethics
– James Paskin

Past projects

Ontological Critique: A Philosophical Tool for Advancing Social Psychology
– Matthew Lloyd Jenkins, 2021

Interpersonal Atmospheres: An Empathetic Account
– Lucy Osler, 2020
(co-supervised with Professor Giovanna Colombetti, University of Exeter)

Kant and the Unity of Reason
– John Saunders, 2019

The Communicative Theory of Punishment and The Problem of Dangerous Offenders
– Daisy Seabourne, 2019

A Humean Metaphysics of Character
– Ethan Chambers, 2018