Sandia Energy > Programs > Renewable Energy > Photovoltaic Solar Energy > Staff > Christa E. Torrence, PhD Christa E. Torrence, PhD Postdoctoral Researcher Christa E. Torrence is a postdoctoral researcher at Sandia National Laboratories where she assesses the health and environmental safety risks of perovskite solar cells throughout their lifetime. Her work includes evaluating risks from standard usage and disposal, as well as weather and accident related risks. Prior to Sandia, Dr. Torrence worked at Oak Ridge National Laboratory where she developed software to model radiation damage in brittle materials. Dr. Torrence earned a bachelor’s in materials science and engineering from the University of Florida and a PhD in materials science and engineering from Texas A&M University. She joined Sandia in 2021. See Dr. Torrence’s Google Scholar profile.