B.A., University of California, Berkeley Ph.D., Scripps Institution of Oceanography, oceanography, 1969
Research Interests: Marine geology and geophysics, active tectonics and remote sensing, collapse and associated tsunami generation of island arc volcanoes, the modern tectonic setting of northern Papua New Guinea, and use of remote sensing in active tectonic and geothermal settings.
Memberships/Distinctions: Co-chief scientist on ODP Legs 124 and 170.