Simon Saunders is Professor of Philosophy of Physics at the University of Oxford and a Tutorial Fellow of Merton College, Oxford. He is the lead editor of Many Worlds? Everett, Quantum Theory, and Reality (with Jonathan Barrett, Adrian Kent and David Wallace, 2010) and the author of more than sixty articles in philosophy of physics, with special emphasis on the foundations of quantum mechanics, quantum field theory, and symmetries. He also works on structuralism in philosophy of science and metaphysics, focusing on the logic of identity. He is president-elect of the British Society for the Philosophy of Science.