Mario A. GutierrezMario A. Gutierrez is a Principal Geophysicist at Shell Exploration and Production Inc., working primarily on the application of seismic- and rock physics-based methods for evaluating and risking the presence of reservoir rocks and hydrocarbons to support business decisions and recommendations on oil and gas exploration projects worldwide. Dr Gutierrez holds a PhD in Geophysics from Stanford University, California, and has previously held leading applied research and operations positions at Shell, BHP Billiton Petroleum, Ecopetrol and various seismic contractors, working on rock physics and seismic attributes modeling, reservoir characterization, shallow geo-hazards and pore pressure prediction. Read More Read Less