Mariane Maximous

Mariane Maximous is a seasoned professional who has more than 24 years of experience in the chemical industry. She currently leads the Feedstock and Mechanical Recycling team, driving several business development opportunities and industry collaboration efforts to achieve LYB’s North America circularity goals. Prior to this role and returning to LYB in early 2023, Maximous led the global ethylene and methanol strategic sourcing team at Celanese, where she expanded their global relationship with strategic suppliers. Maximous started her career in 2001 as a process engineer with ExxonMobil in Beaumont Olefins & Aromatics plant. She joined LyondellBasell in 2005 at the Channelview Olefins site as a cracker engineer and has held other roles at LYB spanning across Olefins and I&D Operations planning & Optimization, Finance, Investor Relations, Strategy & Planning and various commercial roles in the Olefins and Polyolefins business units. Maximous holds B.S. in Chemical Engineering from the Georgia Institute of Technology, a MBA with a concentration in finance and international business from the University of Houston, and a Global Management Academy certificate from Harvard Business School.