Susana Santos is an emissions analyst at S&P Global Commodity Insights and specializes in the research and modeling of greenhouse gas emissions for upstream oil and gas assets in the Americas. Before joining S&P Global, Ms. Santos worked as a project lead and research and development engineer on reservoir management and field development planning. Ms. Santos holds a BSc in geology from the University of Lisbon, an MSc in petroleum economics and management from IFP School, and a PhD in petroleum engineering from the University of Campinas.