Renée is a Lyman Spitzer Jr. Postdoctoral Fellow in Theoretical Astrophysics at Princeton University. Her research focuses on theoretical cosmology, especially desciphering the initial conditions of the universe. She is also interested in supernovae, those exploding stars which help us measure the geometry of the universe. She is a 2013 TED Fellow. She has contributed to the Intergalactic Travel Bureau in New York.