Ian Rumfitt studied philosophy at Balliol College, Oxford, and at Princeton University, and has taught it at Keele University, the University of Michigan at Ann Arbor, and back at Oxford, where he was for seven years a Tutorial Fellow of University College. He has held a position at Birkbeck University of London since 2005. He works mainly in philosophy of language and logic, and in the history of analytic philosophy (Frege) with forays into metaphysics and the philosophy of mathematics.