B.S. 1992 Yale University (advisers: Jay Ague, Mark Brandon). Thesis: Geospeedometry and the metamorphic history of the Chiwaukum Schist, Washington, USA
M.S. 1994, PhD. 1998 Caltech (adviser: Joe Kirschvink). Thesis: I. Neoproterozoic-Paleozoic supercontinental tectonics and true polar wander; II. Temporal and spatial distributions of Proterozoic glaciations