Dr. Lea Hildebrandt Ruiz is an Associate Professor in the McKetta Department of Chemical Engineering and at the Center for Energy and Environmental Resources at the University of Texas at Austin. Her research focuses on air quality engineering and the effects of physical and chemical processing of pollutants on human exposure in indoor and outdoor environments. Dr. Hildebrandt Ruiz is an expert in the use of state-of-the-science mass spectrometric instrumentation to conduct policy-relevant and fundamental chemical research. She has led several measurement campaigns in indoor and outdoor environments and projects focused on laboratory chamber experiments. The quality of Dr. Hildebrandt Ruiz’s research has been recognized by research grants from private, federal, and state organizations including the Welch Foundation and the U.S. National Science Foundation, including an NSF CAREER award. Dr. Hildebrandt Ruiz received a B.S. with Honors in Chemical Engineering from the California Institute of Technology (Environmental Track) and a Ph.D. in the Department of Chemical Engineering and the Department of Engineering and Public Policy from Carnegie Mellon University.