Professor Samir Okasha

M.A., B.Phil., D.Phil.(Oxon.)

  • BS6 6JL


Research output per year

If you made any changes in Pure these will be visible here soon.

Personal profile

Research interests

I have broad philosophical interests, though most of my research falls into two main areas: (i) philosophy of biology / evolutionary theory; and (ii) epistemology /philosophy of science.

Within philosophy of biology, I am especially intereted in foundational and conceptual questions surrounding evolutionary theory. For many years, my research focused on the 'levels of selection' question in evolutionary biology, and the related issue of individual versus group conflicts of interest. This culminated in my book Evolution and the Levels of Selection (OUP 2006), which was awarded the 2009 Lakatos Prize for an outstanding contribution to philosophy of science. I continue to work on these topics.

From 2008 to 2011 I was Principal Investigator on a major AHRC-funded research project, 'Evolution, Cooperation and Rationality', in collaboration with Professor Ken Binmore, which led to a series of publications and an edited volume Evolution and Rationality (CUP 2012).

From 2011 to 2016 I was Principal Investigator on a research project entitled 'Darwinism and the Theory of Rational Choice', funded by a European Research Council Advanced Investigator Award. The aim of the project was to study connections, formal and conceptual, between Darwinian evolutionary theory and the theory of rationality. This culminated in a book, Agents and Goals in Evolution, published by OUP in 2018.

Within epistemology / philosophy of science, I am interested in topics including probability and induction, evidence and confirmation, causality, theory choice, scepticism and knowledge, and epistemological holism. I continue to work on these topics when time permits.

Fingerprint Dive into the research topics where Samir Okasha is active. These topic labels come from the works of this person. Together they form a unique fingerprint.


Darwinism and the Theory of Rational Choice

Okasha, S.


Project: Research

Bengt Autzen - BA Postdoc Fellowship

Okasha, S.


Project: Research


Okasha, S.


Project: Research

Research Output

Social justice, genomic justice, and the veil of ignorance: Harsanyi meets Mendel

Okasha, S., Mar 2012, In : Economics and Philosophy. 28, 1, p. 43-71 29 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
  • 12 Citations (Scopus)
    666 Downloads (Pure)

    Evolution and the Levels of Selection

    Okasha, S., 2006, Clarendon Press. 263 p.

    Research output: Book/ReportAuthored book

    444 Citations (Scopus)

    Individuals, Groups, Fitness and Utility: Levels of Selection meets Social Choice Theory

    Okasha, S., 2009, In : Biology and Philosophy. 24, p. 561 - 584 23 p.

    Research output: Contribution to journalArticle (Academic Journal)

    16 Citations (Scopus)


    Fellow of the British Academy

    Okasha, Samir (Recipient), 2018

    Prize: Election to learned society

    Lakatos Prize

    Okasha, Samir (Recipient), 2009

    Prize: Prizes, Medals, Awards and Grants


    • 1 Editorial activity

    Biology and Philosophy Special Edition (Journal)

    Samir Okasha (Editor)


    Activity: Publication peer-review and editorial work typesEditorial activity