THOMAS A. HERRING is professor of geophysics in the Department of Earth, Atmospheric, and Planetary Sciences at the Massachusetts Institute of Technology in Cambridge. Dr. Herring’s research includes using Very Long Baseline Interferometry (VLBI) and global positioning system (GPS) data to develop geophysically-based models of changes in rotation of the Earth and global deformations; developing kinematic models of deformations in California and Central Asia; and developing improved models and analysis systems for VLBI and GPS. He has served on numerous NRC committees, including the U.S. National Committee for the International Union of Geodesy and Geophysics, the Committee on Geodesy, and the Committee on Earth Gravity from Space. He is a fellow of the American Geophysical Union, a fellow of the International Association of Geodesy, and he was the European Geophysical Union’s Vening-Meinesz Medalist for 2007. Dr. Herring received his B.Sc. and M.Sc. degrees from the University of Queensland and his Ph.D. in Earth and Planetary Sciences from MIT.
KRISTINE M. LARSON is a professor of aerospace engineering sciences at the University of Colorado, Boulder. Dr. Larson’s research focuses on using high precision GPS techniques to address a range of geophysical issues that include measuring and interpreting crustal deformation as well as developing new techniques, including measuring soil moisture. She has studied plate boundary zone deformation in Alaska, Nepal, Tibet, Ethiopia, California, and Mexico. Dr. Larson’s research has also emphasized engineering development by pushing the temporal sampling of GPS to subdaily intervals. She served as editor for Geophysical Research Letters from 2001-2004. Dr. Larson received her A.B. in Engineering Sciences from Harvard and her Ph.D. in Geophysics from the Scripps Institution of Oceanography, University of California, San Diego.
JOHN C. RIES is a senior research scientist at the Center for Space Research at the University of Texas at Austin. His research interests include orbit mechanics, geodesy, relativity, and the application of computers and computational techniques to the solution of problems in those areas. He has worked with laser range, altimeter, and Doppler data from numerous satellites including LAGEOS-1/-2, Starlette, Stella, Ajisai, SeaSat, ERS-1/-2, SPOT-2, TOPEX/POSEIDON, and Jason-1. His current research efforts are focused on improving gravity model determination for the Gravity Recovery and Climate Experiment (GRACE) and reference frame determination from laser ranging data. He is a member of the International DORIS Service Governing Board and the Gravity Probe-B Science Advisory Committee. He is a fellow of the International Association of Geodesy and a recipient of the NASA Exceptional Technology Achievement Medal. He received his B.S. and M.S. degrees in mathematics from Michigan Technological University in Houghton, Michigan, and his Ph.D. from the Department of Aerospace Engineering and Engineering Mechanics at the University of Texas at Austin.
DAVID T. SANDWELL is professor of geophysics at Scripps Institution of Oceanography (SIO), the University of California, San Diego. Dr. Sandwell’s research focuses on using satellite altimetry to analyze marine gravity anomalies, predict and measure seafloor topography, and the development and application of synthetic aperture radar interferometry (InSAR). Prior to his appointment at SIO, Dr. Sandwell was a research scientist at the University of Texas at Austin, and a research geophysicist at the National Geodetic Survey. He is currently chair of the Western North America InSAR Consortium. Dr. Sandwell was the 2004 George P. Woollard Awardee of the Geological Society of America. He is a fellow of the Geological Society of America and the American Geophysical Union. Dr. Sandwell has served on a numerous NRC committees, including the Committee on Geodesy, the U.S. National Committee for the International Union of Geodesy and Geophysics, and the U.S. Geodynamics Committee. He received his B.S. from the University of Connecticut, his M.S. and his Ph.D. in geophysics and space physics from the University of California, Los Angeles.