[2] She studied philosophy, politics and economics at St Hilda's College, Oxford, graduating with a Bachelor of Arts (BA) degree in 1986.
She then undertook the postgraduate Bachelor of Philosophy (BPhil) at St Cross College, Oxford, which she completed in 1988.
[2] Her doctoral thesis was titled "Events, states and processes: the ontology of mind", and was submitted in 1992.
[2] Steward was Salveson Junior Fellow at University College, Oxford for the 1990/91 academic year.
[2] Her interests include the metaphysics and ontology of mind and agency; the free will problem; the relation between humans and animals; and the philosophy of causation and explanation.