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Maryellen Roberson joins GCS with nearly 30 years of experience spanning the Oil and Gas and Petrochemicals industries. She worked at an international supermajor for 20 years in global Engineering and Operations leadership roles. She led and was accountable for delivery of operational readiness for major projects in Trinidad and Tobago, as well as building Operations capability in major projects across the world. Prior to those roles, Maryellen led multidisciplined engineering teams in the UK and US. She has extensive experience in Process Safety and Operational Risk management. She has worked engineering, project, and operational roles in multiple US onshore oil and gas basins, from Colorado and New Mexico to Texas and Louisiana. She began her career in the Petrochemical industry, working for Lyondell and Equistar. She has a Bachelor of Chemical Engineering from Ga Tech.