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Carlos Zavala is a highly experienced professional in the field of geology and stratigraphy, currently serving as a Scientific Consultant at PetroChina International since January 2018. Additionally, Carlos has held the position of President at GCS Argentina since August 2007 and has been the President of GCS Argentina SRL since January 2007. Carlos completed a Doctorate in Geology with a focus on stratigraphy and sedimentology at Universidad Nacional del Sur from 1982 to 1993.