Research scientist in planetary astronomy at the Southwest Research Institute, supporting NASA's New Horizons mission to Pluto, and developing the post-Pluto mission into the Kuiper Belt. Expert in the dynamics of binary minor planets, detection and characterization of trans-Neptunian objects, and the origin of the architecture of our Solar System.
Conceptual illustration of a flyby of Kuiper Belt Object PT1 by NASA's New Horizons in late 2018.
Logo designs for "Astronomy on Tap" events.
Hubble Space Telescope / Van Gogh's "Starry Night" mosaic.
New Horizons in the Pluto system.
Spitzer Space Telescope / Van Gogh's "Road with Cypress and Star" mosaic.
Juno entering the Jupiter system.
Jupiter rising over Europa.
