Gary Mavko received a B.S. in engineering physics from Cornell University, and an M.S. and Ph.D. in geophysics from Stanford University. He spent six years at the U.S. Geological Survey in Menlo Park, California. In 1984, he joined Entropic Geophysical, a seismic processing contractor, as a research geophysicist and eventually became Entropic's vice president for Research. Dr. Mavko returned to Stanford University in 1989 where he is a professor in the Department of Geophysics and co-director of the Stanford Rock Physics and Borehole Geophysics Project. His research and teaching interests include understanding the physical role of pore fluids on seismic velocity and attenuation and developing processing and interpretation techniques for both reflection and crosswell seismic data. His current focus is to develop ways for rock physics knowledge to help bridge the gaps between seismic methods, interpretation, reservoir flow simulations, and geostatistics.