Bachelor of Arts from Dartmouth College (Earth Sciences), 1978; Master of Arts from Columbia University (Geology), 1981; Master of Philosophy from Columbia University (Geology), 1982; Ph.D. from Columbia University (Geology), 1985; at the time of selection employed by the Lamont-Doherty Geological Observatory, Columbia University, Palisades, New York; semi finalist in NASA group 10 selection; previously employed by Geoscience Australia (1985-1989), University of Texas at Austin (1990-2001), University of Tokyo (2001-2007), University of Southampton, UK (2007-2009); currently employed by the Institute for Marine and Antarctic Studies, University of Tasmania, Australia.