Richard Pettigrew

Professor of Philosophy @ University of Bristol
Working (6-15 years of experience)


I teach and research philosophy at the University of Bristol in the UK. My research areas include Bayesian epistemology, foundations of statistics, rational choice theory, and social epistemology (longer ago, philosophy and foundations of mathematics as well). I've written about accuracy-centred approaches to epistemology, decision-making in the face of transformative experience, and the debate between subjective and objective Bayesianism. 

How others can help me

I'm particularly interested in ways in which rational choice theory and its conclusions affect the arguments for longtermism, but I'm not deeply immersed in the details of those arguments, so I'd appreciate help understanding those.

How I can help others

Reach out if you have any questions about Bayesian epistemology or rational choice theory. I'd be delighted to share any expertise I have.


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Longtermism, risk, and extinction

Ah, thanks, Jake! That's really helpful! I'll make an edit now to highlight that. 

Longtermism, risk, and extinction

Thanks, Gavin! I look forward to your comment! I'm new to the forum, and didn't really understand the implications of the downvotes. But in any case, yes, the post is definitely meant in good faith! It's my attempt to grapple with a tension between my philanthropic commitments and my views on how risk should be incorporated in both prudential and moral decision-making.