Thomas R. Watters is a Senior Scientist in the Smithsonian Institution's Center for Earth and Planetary Studies at the National Air and Space Museum and Director of the Smithsonian's Regional Planetary Image Facility. He is involved in three planetary missions: Mars Express (MARSIS Radar Sounder team), MESSENGER (MDIS imaging team), and the Lunar Reconnaissance Orbiter (LROC imaging team). He has served as Chair of the Planetary Geology Division of the Geological Society of America, guest editor for Geophysical Research Letters, and on the editorial board of the journal Geology. His research interests are planetary tectonics, and planetary geology and geophysics.