She has participated in several studies of future NASA and European Space Agency missions as a member of the science definition team, including missions to Saturn and Titan. She serves on several committees, including the Annual Program Committee of the American Association for the Advancement of Science (AAAS), and the American Astronomical Society's Division for Planetary Sciences committee. She is the Chair of the Outer Planets group of the International Astronomical Union's Working Group for Planetary System Nomenclature.