Dr. Thomasson works in the areas of metaphysics, philosophical methodology and metaontology, philosophy of art, philosophy of social and cultural objects, philosophy of mind and phenomenology.



She is the author of four books: Norms and Necessity (Oxford University Press, 2020), Ontology made Easy (Oxford University Press, 2015), Ordinary Objects (Oxford University Press, 2007), and Fiction and Metaphysics (Cambridge University Press, 1999). She also co-edited (with David W. Smith) a collection of essays, Phenomenology and Philosophy of Mind (Oxford University Press, 2005). 

Her book Ontology Made Easy was awarded the American Philosophical Association's 2017 Sanders Book Prize, "awarded to the best book in philosophy of mind, metaphysics, or epistemology that engages the analytic tradition published in English in the previous five-year period". 


In addition to her books, she has published more than 70 book chapters and articles on topics in metaphysics, metaontology, fiction, philosophy of mind and phenomenology, the philosophy of art, and social ontology. She has held Fellowships with the National Endowment for the Humanities that helped support the writing of Ordinary Objects and Ontology Made Easy.



She is currently the Daniel P. Stone Professor of Intellectual and Moral Philosophy at Dartmouth College. Before coming to Dartmouth, she was Professor of Philosophy and Cooper Fellow at the University of Miami, and she has also held positions at The University of Hong Kong and Texas Tech University.


Visiting Appointments

In July-August 2018 she was the Anderson Distinguished Fellow at the University of Sydney in Australia. She has also been a visitor at the Australian National University and at Durham University (U.K.). She delivered the 2017 Wedberg Lectures at the University of Stockholm in Sweden.



  • "Conceptual Engineering: When do we need it? How can we do it?", talk from the NYU Foundations of Conceptual Engineering Workshop, from September 2018. 

  • A debate from the Institute of Art and Ideas on "The New Enlightenment", with Julian Baggini and Hilary Lawson, can be found here.

  • A debate from the Institute of Art and Ideas on 'Why is there something rather than nothing', with George Ellis and Rupert Sheldrake, can be found here.

  • An extended interview about Easy Ontology, conducted by William Nava on "Who Shaves the Barber" is here. 

  • A short interview conducted by the Royal Institute for Philosophy may be found here.

  • A video of her Royal Institute for Philosophy Lecture, "Easy Ontology and the Work of Metaphysics" may be found here.

  • In January 2017 she did an "Ask Me Anything" session on Reddit, which can be found here.

  • Click here for a podcast of her interview about social ontology on Australia's Radio 3CR "Radical Philosophy" program 

  • An interview about her work can be found in 3AM Magazine.

  • Ontology made Easy was recently reviewed in the Times Literary Supplement.