Dr. Hložek studies a variety of problems in theoretical and observational cosmology. Her research focuses on understanding what the Universe is made of, its structure and how it is changing with time. She uses data from the Atacama Cosmology Telescope and the upcoming Simons Observatory and Large Synoptic Survey Telescope in the Chilean desert. Hložek hails from South Africa, where she studied at the University of Pretoria and the University of Cape Town. She received her DPhil from the University of Oxford in 2011, where she was a Rhodes Scholar. She was a Lyman Spitzer Jr. Postdoctoral Research Fellow in the Department of Astrophysics at Princeton University and the Spitzer-Cotsen Fellow in the Princeton Society of Fellows. She is also a TED Fellow.