Emmie Le Roy is a PhD candidate in atmospheric chemistry at the Massachusetts Institute of Technology. Her research focuses on the interactions between climate variability and atmospheric composition using a combination of models and in-situ observations. Emmie received her ScB in Geology and Chemistry from Brown University in 2019. Before starting her PhD, she worked as a laboratory assistant for the Surface PARTiculate mAtter Network (SPARTAN), a global ground-based measurement network for PM2.5. She has been involved in organizing the student-run Graduate Climate Conference as well as running peer mentoring activities at her university department.