Tom is a professor in the Department of Astronomy at the University of Washington in Seattle.
Tom leads the N-Body Shop, where he works on running and analyzing N-body simulations of structure formation in the Universe. His other research interests include Galactic and Solar System dynamics, and planet formation. He is a member of the UW Astrobiology program. He is also involved in developing scientific software for the Sloan Digital Sky Survey and chairs the Solar System working group
He regularly teaches the graduate Stellar Dynamics course, the graduate Magneto-Hydrodynamics course, Origins of the Solar System, the undergraduate Cosmology course and a course on Numerical Methods for Astrophysics.
Here are a couple of cool movies to look at: