Leadership Overview
Eastman has 6 executives leading key functions including corporate strategy, information technology, financial reporting, fiscal management, medical oversight, and chemical manufacturing operations.
Focused on delivering sustainable material solutions, Eastman drives global innovation across the transportation, construction, and healthcare sectors through advanced specialty chemical manufacturing.
Focused on delivering sustainable material solutions, Eastman drives global innovation across the transportation, construction, and healthcare sectors through advanced specialty chemical manufacturing.
Leadership Roles at Eastman
Mark Costa - Chairman & Chief Executive Officer
Mark Costa, the Chairman & Chief Executive Officer at Eastman, directs the overarching corporate strategy and long-term vision for the global specialty materials manufacturer. Overseeing the integration of advanced material production with sustainable business practices, the Chairman & Chief Executive Officer ensures alignment across all business segments including transportation, construction, and healthcare. This leadership role involves constant engagement with the Board to optimize market positioning and drive shareholder value. By prioritizing innovation in specialty chemicals and functional products, Mark Costa directly influences the competitive trajectory of the organization. Costa maintains a focus on scaling operations to meet evolving consumer goods and agricultural demands. Through rigorous oversight of corporate governance and strategic resource allocation, the Chairman & Chief Executive Officer secures the company's status as a leader in material science, fostering growth across diverse international markets while maintaining operational excellence.
Jennifer Wang - Finance Director, Global Business & 3b Revenue External Reporting Segment) Segment Chief Financial Officer
Jennifer Wang, the Finance Director, Global Business & 3b Revenue External Reporting Segment) Segment Chief Financial Officer at Eastman, directs the financial planning and external reporting processes for critical revenue segments. Overseeing complex fiscal analysis and regulatory compliance, the Finance Director, Global Business & 3b Revenue External Reporting Segment) Segment Chief Financial Officer ensures accurate representation of financial performance to stakeholders. This leadership role involves collaborating with executive teams to evaluate the profitability of specialty materials and functional products. By optimizing revenue recognition frameworks and financial reporting standards, Jennifer Wang directly impacts the transparency and fiscal health of the organization. Wang manages the integration of financial data across global business units to support strategic investment decisions. Through meticulous oversight of segment-specific financial metrics, the Finance Director, Global Business & 3b Revenue External Reporting Segment) Segment Chief Financial Officer provides the necessary insights to drive sustainable growth and maintain rigorous financial discipline.
William McLain - Chief Financial Officer & Executive Vice President
William McLain, the Chief Financial Officer & Executive Vice President at Eastman, directs the global financial strategy, capital allocation, and investor relations for the specialty materials manufacturer. Overseeing the company's balance sheet and fiscal risk management, the Chief Financial Officer & Executive Vice President ensures the financial stability required to support large-scale manufacturing operations. This leadership role involves coordinating with the Board and executive leadership to execute long-term growth initiatives and capital investments. By managing the enterprise-wide financial planning and analysis, William McLain directly influences the company's ability to fund innovation in additives and fibers. McLain drives the optimization of cost structures to enhance margins across the transportation and consumer goods segments. Through the strategic management of global financial resources, the Chief Financial Officer & Executive Vice President secures the necessary capital to maintain market leadership and deliver consistent value to shareholders.
Erwin Dijkman - President, Chemical Intermediates & Fibers Division
Erwin Dijkman, the President, Chemical Intermediates & Fibers Division at Eastman, directs the production, sales, and market expansion for the company's core chemical and fiber product lines. Overseeing the operational efficiency of manufacturing facilities, the President, Chemical Intermediates & Fibers Division ensures the consistent supply of high-quality materials to the textile, transportation, and construction industries. This leadership role involves driving innovation in fiber technology and chemical processing to meet evolving market demands. By optimizing the supply chain and production workflows, Erwin Dijkman directly impacts the profitability and market reach of the division. Dijkman manages the strategic alignment of product development with the needs of global industrial partners. Through the effective management of manufacturing assets and commercial teams, the President, Chemical Intermediates & Fibers Division secures the division's competitive position and supports the broader corporate mission of delivering sustainable material solutions.
Aldo Noseda - Chief Information Officer
Aldo Noseda, the Chief Information Officer at Eastman, directs the digital transformation and technological infrastructure supporting the global manufacturing footprint. Overseeing the implementation of advanced data analytics and cybersecurity protocols, the Chief Information Officer ensures the seamless integration of digital tools across all specialty chemical production facilities. This leadership role involves architecting scalable cloud solutions that enhance operational efficiency and supply chain visibility. By modernizing the enterprise technology stack, Aldo Noseda directly supports the company's ability to innovate within the competitive materials sector. Noseda manages the alignment of IT initiatives with broader business objectives to facilitate rapid response to market shifts in the transportation and healthcare industries. Through the deployment of robust digital platforms, the Chief Information Officer drives productivity gains and data-driven decision-making, ultimately strengthening the technological foundation required for sustained global manufacturing success.

Ibrahim Heiba - Chief Medical Officer
Ibrahim Heiba, the Chief Medical Officer at Eastman, directs the health, safety, and regulatory compliance initiatives related to the company's specialty materials and chemical products. Overseeing the assessment of product safety and the implementation of rigorous health standards, the Chief Medical Officer ensures that all materials meet global regulatory requirements for healthcare and consumer applications. This leadership role involves providing scientific expertise to support the development of safe, sustainable material solutions. By evaluating the physiological impact of chemical additives and functional products, Ibrahim Heiba directly contributes to the company's commitment to safety and innovation. Heiba manages the collaboration between research teams and regulatory bodies to facilitate the approval and safe deployment of new products. Through the application of medical and toxicological expertise, the Chief Medical Officer protects the organization's reputation and ensures the highest standards of safety across all global manufacturing operations.
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