Ph.D., Princeton University, 1992
M.S., Princeton University, 1990
B.Sc., University of Utrecht, the Netherlands, 1988
1998--present, Professor of Geophysics, Department of Earth and Planetary Sciences, Harvard University
1998--1999, Visiting Professor of Geophysics, Division of Geological and Planetary Sciences, California Institute of Technology
1996--1997, John L. Loeb Associate Professor of the Natural Sciences, Department of Earth and Planetary Sciences, Harvard University
1992--1996, Assistant Professor of Geophysics, Department of Earth and Planetary Sciences, Harvard University
1999, Fellow, American Geophysical Union
1999, James B. Macelwane Medal, American Geophysical Union
1994--1999, Packard Fellowship, David and Lucile Packard Foundation
1994, Doornbos Memorial Prize, International Association of Seismology and the Physics of the Earth's Interior
1990 -- 1992, Francis Robbins Upton Graduate Fellowship, Princeton University
1988, John von Neumann Prize in Supercomputing, Princeton University
Editor, Pure and Applied Geophysics
American Geophysical Union, Fellow
Royal Astronomical Society, Fellow