John is the VP Geophysics for the Imaging & Technology group at TGS. After a PhD and PostDoc at Imperial College, London utilizing FWI to image, amongst other things, the Chicxulub impact crater - John has held positions in at PGS, ION and TGS, both in R&D and data processing operations. As VP of Geophysics, he needs to understand all aspects of seismic signal processing, model building and imaging, and how this affects geophysical deliverables.