Susan G. Stewart (B.S. Vanderbilt; Ph.D. Alabama) is an Adjoint Assistant Professor of Astronomy for research in the Astronomy Group in the Department of Physics & Astronomy at Vanderbilt University. She is directing both undergraduate and graduate students in studies related to celestial and solar system dynamics, specifically of orbital motions and celestial navigation. Her primary appointment is with the U.S. Naval Observatory in the Astronomical Applications Department where she has been an astronomer since 1997.