Justin Khoury is associate professor and undergraduate chair of physics & astronomy at the University of Pennsylvania. He obtained his B.Sc. from McGill University and his Ph.D from Princeton University under Paul Steinhardt. Following postdoctoral fellowships at Columbia University and MIT, Khoury became a faculty member of Perimeter Institute for Theoretical Physics, before moving to the University of Pennsylvania. His awards and honors include a National Science Foundation CAREER Award (2012-17) and an Alfred P. Sloan Foundation Research Fellowship (2010-12). His research lies at the interface of particle physics and cosmology, investigating both new models of dark matter, dark energy as well as innovative cosmological theories of the very early universe, including the Ekpyrotic Universe.