Marcos Machado is a Senior Petroleum Engineer at PETROBRAS with extensive experience in reservoir engineering and field management. Since joining PETROBRAS in 2007, he advanced to the role of Senior Technical Advisor in 2020, specializing in project development, human resources training, numerical modeling, and CCUS initiatives. Dr. Machado holds a PhD in Reservoir Engineering and completed a 2-year PostDoc Program at The University of Texas at Austin in 2024. He also teaches part-time at PUC-Rio University and has authored over 80 technical manuscripts, including research papers, conference papers, a book on Reservoir Simulation edited by PETROBRAS, and internal workshop presentations. His focus is on optimizing reservoir performance and mitigating risks in gas storage projects.