Ellen Stofan is the Under Secretary for Science and Research for the Smithsonian Institution. Stofan oversees the science museums and science research centers as well as the Smithsonian Libraries and Archives, Office of International Relations, Smithsonian Scholarly Press, and Scientific Diving Program. Stofan previously was the John and Adrienne Mars Director of the Smithsonian’s National Air and Space Museum. As the former Chief Scientist of NASA, Stofan served as the principal advisor to the Administrator on science programs and strategic planning. Stofan also held senior scientist positions at NASA’s Jet Propulsion Laboratory. Currently, she is on the science team of the NASA Dragonfly mission to Titan. Stofan holds master’s and doctorate degrees in geological sciences from Brown University and a bachelor’s degree from the College of William & Mary.