Westlake Executive and Leadership Team

Jean-Marc Gilson, the President & Chief Executive Officer at Westlake, directs the overarching strategy and operational execution for the company's global manufacturing and marketing of performance and essential materials, alongside housing and infrastructure products. This leadership role encompasses guiding both the Performance and Essential Materials segment, which produces ethylene, polyethylene, and PVC, and the Housing and Infrastructure Products segment, offering sidings, windows, and pipes. Gilson's strategic vision ensures the integration of these diverse product lines to meet demands across chemical processing, plastics fabrication, construction, and consumer goods markets internationally. Overseeing all business units, the President & Chief Executive Officer drives growth initiatives and maintains Westlake's competitive edge in a dynamic global marketplace. Jean-Marc Gilson's executive oversight ensures alignment with the company's mission to deliver value through essential and performance-driven materials.

Hung Pham, the Controller (Site and Country Chief Financial Officer) at Westlake, manages critical financial operations and reporting across the company's global sites and country-specific financial activities. This position is integral to overseeing the financial health of both the Performance and Essential Materials segment and the Housing and Infrastructure Products segment, ensuring accurate accounting for diverse product lines including PVC, polyethylene, and construction materials. Pham's responsibilities include financial planning, budgeting, and compliance, providing essential financial insights that guide strategic decisions for international operations. The Controller (Site and Country Chief Financial Officer) ensures adherence to financial regulations across various jurisdictions, supporting Westlake's extensive presence in North America, Europe, and Asia. Hung Pham's financial acumen is vital for sustaining the company's profitability and growth across all its business units.

Carl Sanders, the President at Westlake, drives the strategic direction and operational performance for key business units within the company's extensive portfolio. This leadership position focuses on maximizing the output and market penetration of both the Performance and Essential Materials segment, which includes critical chemicals like ethylene and PVC, and the Housing and Infrastructure Products segment, encompassing sidings, windows, and pipes. Sanders oversees the integration of manufacturing processes and supply chain logistics to ensure efficient delivery of products to a wide array of customers, from chemical processors to construction contractors. The President ensures that Westlake's product offerings consistently meet the evolving demands of industries such as residential construction, packaging, and automotive. Carl Sanders' executive leadership is instrumental in advancing Westlake's market position and fostering operational excellence across its global manufacturing footprint.

Earl Vital, the Axiall Family Association President at Westlake, leads initiatives focused on the strategic integration and operational synergy of the Axiall business lines within the broader Westlake Corporation structure. This role is key to optimizing the performance of legacy Axiall assets, particularly within the Performance and Essential Materials segment, which includes chlor-alkali products, vinyl chloride monomer, and PVC. Vital ensures that the operational strategies align with Westlake's overall objectives for manufacturing and marketing essential materials and housing products across its international network. The Axiall Family Association President oversees the continued development and market positioning of these core chemical and material product lines, supporting diverse industrial applications. Earl Vital's focused leadership ensures the sustained contribution of the Axiall portfolio to Westlake's global market presence and financial objectives.

Mark Schmidt, the Chief Information Officer at Westlake, architects and executes the company's global information technology strategy, ensuring robust digital infrastructure supports Westlake's extensive manufacturing and marketing operations. This role is critical for managing the IT systems that underpin both the Performance and Essential Materials segment and the Housing and Infrastructure Products segment, facilitating seamless data flow and operational efficiency across international locations. Schmidt oversees the implementation of advanced technological solutions that enhance productivity, secure sensitive data, and enable data-driven decision-making throughout the organization. By driving digital transformation initiatives, the Chief Information Officer ensures Westlake remains agile and competitive in its diverse markets, from chemical processing to construction materials. Mark Schmidt's leadership in IT is fundamental to maintaining operational integrity and fostering innovation across Westlake's global footprint.