Ph.D., Harvard University, 1987
Exchange Researcher, Moscow State University, USSR, 1981-82
B.A., Swarthmore College, 1981
1995--present, Professor of Geology and Geophysics, Department of Earth and Planetary Sciences, Harvard University
1994--1995, John L. Loeb Associate Professor of the Natural Sciences, Department of Earth and Planetary Sciences, Harvard University
1990--1994, Assistant Professor of Geophysics, Department of Earth and Planetary Sciences, Harvard University
1988--1990, Associate Research Scientist, Lamont-Doherty Geological Observatory of Columbia University
1989, CNRS Visiting Research Scientist, Institut de Physique du Globe de Paris
1987--1988, Lamont-Doherty Postdoctoral Fellow, Lamont-Doherty Geological Observatory of Columbia University
IRIS, Executive Committee, 1993--1995, vice chair, 1999-
IRIS, Global Seismic Network Standing Committee, chair, 1995-1999
IRIS, Joint Seismic Program Committee, 1991--1996 (chair 1994--1996)
IRIS, Data Management System Standing Committee, 1991--1993