David Wallace read physics at Oxford University, as an undergraduate and PhD student, from 1994-2002, and then moved into philosophy of physics. He was tutorial fellow at Balliol College, and lecturer and then Professor in philosophy at Oxford, from 2005-2016, when he moved to the University of Southern California. He has research interests in philosophy of statistical mechanics, of symmetry and spacetime, of cosmology, and of quantum mechanics, where he is recognised as a leading expert on the Everett interpretation ("many-worlds theory"). His book on the many-worlds theory, The Emergent Multiverse (OUP, 2012) was joint winner of the 2013 Lakatos Award for philosophy of science. For more information, visit his website.