Owens Corning Executive and Leadership Team

November, 2026

Leadership Overview

Owens Corning has 9 executives leading key functions including strategy, information technology, financial planning, operations, legal administration, composites manufacturing, and philanthropic outreach.

Driven by a commitment to material science innovation, Owens Corning advances sustainable construction solutions that improve energy efficiency and building performance for residential, commercial, and industrial markets worldwide.

Leadership Roles at Owens Corning

  • Chairman & Chief Executive Officer - Brian Chambers
  • Vice President, Segment Chief Financial Officer - Amber Wohlfarth
  • Vice President, General Manager, OC Lumber and Roofing Segment Chief Financial Officer (Chief Financial Officer) - Brandi Bennington
  • President & Chief Operating Officer - Todd Fister
  • President, Composites - Marcio Sandri
  • President, Owens Corning Foundation - Donald Rettig
  • President - Jose Canovas
  • Executive VP & Chief Information Officer - Annie Baymiller
  • Executive VP, Chief Administrative Officer & General Counsel - Gina Beredo
  • Brian Chambers - Chairman & Chief Executive Officer

    Brian Chambers, the Chairman & Chief Executive Officer at Owens Corning, directs the global strategic vision for the organization. Overseeing the entire portfolio of insulation, roofing, and composite materials, the Chairman & Chief Executive Officer ensures alignment between manufacturing capabilities and long-term sustainability goals. This leadership role involves constant engagement with the Board to drive shareholder value while expanding market reach across diverse international territories. By prioritizing material science advancements, Brian Chambers fosters a culture of innovation that supports high-performance building standards. The Chairman & Chief Executive Officer maintains focus on operational excellence, ensuring that the company remains a leader in the construction materials sector. Through rigorous oversight of corporate initiatives, the executive secures the competitive position of the firm in a rapidly evolving global landscape.
    Brian Chambers

    Amber Wohlfarth - Vice President, Segment Chief Financial Officer

    Amber Wohlfarth, the Vice President, Segment Chief Financial Officer at Owens Corning, manages the financial health and fiscal strategy for specific business segments. Overseeing capital allocation and budgetary planning, the Vice President, Segment Chief Financial Officer ensures that resource distribution supports the development of energy-efficient building products. This role involves analyzing market trends to forecast revenue growth and mitigate financial risks within the construction materials sector. Amber Wohlfarth provides critical insights to the executive team, facilitating informed decision-making regarding product innovation and manufacturing investments. By maintaining rigorous financial controls, the Vice President, Segment Chief Financial Officer supports the long-term profitability of the organization. The executive monitors performance metrics to ensure alignment with corporate sustainability targets. Through precise financial management, Wohlfarth strengthens the market position of the company across various industrial and commercial applications.

    Brandi Bennington - Vice President, General Manager, OC Lumber and Roofing Segment Chief Financial Officer (Chief Financial Officer)

    Brandi Bennington, the Vice President, General Manager, OC Lumber and Roofing Segment Chief Financial Officer (Chief Financial Officer) at Owens Corning, directs the financial and operational performance of the lumber and roofing divisions. Overseeing segment-specific revenue streams, the Vice President, General Manager, OC Lumber and Roofing Segment Chief Financial Officer (Chief Financial Officer) ensures that manufacturing output aligns with market demand for sustainable building materials. This role involves managing the profit and loss statements for key product lines while identifying opportunities for cost reduction and efficiency gains. Brandi Bennington collaborates with cross-functional teams to integrate new material science innovations into the product portfolio. By providing financial oversight, the Vice President, General Manager, OC Lumber and Roofing Segment Chief Financial Officer (Chief Financial Officer) supports the strategic growth of the roofing segment. Through careful analysis of market dynamics, Bennington secures the financial stability of these critical business units.

    Todd Fister - President & Chief Operating Officer

    Todd Fister, the President & Chief Operating Officer at Owens Corning, executes the daily operational strategy across all manufacturing divisions. Overseeing the production of insulation, roofing, and composite materials, the President & Chief Operating Officer ensures that facilities meet global demand while adhering to strict environmental standards. This role involves streamlining manufacturing processes to improve energy efficiency and product durability. Todd Fister coordinates with regional leaders to optimize supply chain logistics and maintain consistent quality across international markets. By driving operational excellence, the President & Chief Operating Officer supports the company's mission to deliver high-performance building solutions. The executive focuses on scaling production capabilities to meet the needs of residential and commercial construction projects. Through disciplined management of manufacturing assets, Fister ensures the company remains a dominant force in the global construction materials industry.
    Todd Fister

    Marcio Sandri - President, Composites

    Marcio Sandri, the President, Composites at Owens Corning, leads the global development and manufacturing of advanced composite materials. Overseeing the production of high-performance glass fiber reinforcements, the President, Composites ensures that these materials meet the rigorous demands of industrial and commercial construction applications. This role involves driving innovation in material science to create lighter, stronger, and more sustainable solutions for global customers. Marcio Sandri manages the expansion of composite manufacturing capabilities across international regions, ensuring consistent quality and supply chain reliability. By focusing on technical excellence, the President, Composites supports the company's mission to enhance building performance through advanced materials. The executive collaborates with research teams to bring next-generation products to market. Through strategic leadership of the composites division, Sandri maintains the company's position as a global leader in material science and manufacturing.
    Marcio Sandri

    Donald Rettig - President, Owens Corning Foundation

    Donald Rettig, the President, Owens Corning Foundation at Owens Corning, directs the philanthropic and community engagement strategy of the organization. Overseeing the distribution of resources to support sustainable housing and educational initiatives, the President, Owens Corning Foundation ensures that the company's social impact aligns with its core mission of material science innovation. This role involves building partnerships with non-profit organizations to address critical needs in the communities where the company operates. Donald Rettig manages the foundation's grant programs, focusing on projects that improve energy efficiency and environmental responsibility. By fostering community relationships, the President, Owens Corning Foundation enhances the company's reputation as a socially responsible leader in the construction materials industry. The executive coordinates with internal stakeholders to promote employee volunteerism and corporate citizenship. Through strategic philanthropic efforts, Rettig extends the positive influence of the company beyond its commercial operations.
    Donald Rettig

    Jose Canovas - President

    Jose Canovas, the President at Owens Corning, manages specific regional operations and business unit performance. Overseeing the execution of strategic initiatives within the insulation and building materials sectors, the President ensures that manufacturing processes meet the highest standards of quality and sustainability. This role involves driving market growth by identifying new opportunities for product application in residential and commercial construction. Jose Canovas coordinates with cross-functional teams to optimize production efficiency and enhance customer service across diverse markets. By focusing on operational excellence, the President supports the company's broader mission to deliver energy-efficient solutions. The executive monitors performance metrics to ensure that regional goals align with corporate objectives. Through disciplined management of business unit activities, Canovas contributes to the overall success and market leadership of the organization in the global construction materials industry.
    Jose Canovas

    Annie Baymiller - Executive VP & Chief Information Officer

    Annie Baymiller, the Executive VP & Chief Information Officer at Owens Corning, architects the digital infrastructure supporting global manufacturing operations. Managing enterprise-wide technology systems, the Executive VP & Chief Information Officer optimizes data flow to enhance production efficiency across insulation and roofing facilities. This role involves integrating advanced analytics to improve supply chain visibility and material science research outcomes. Annie Baymiller drives the digital transformation agenda, ensuring that technological investments align with the broader corporate mission of sustainability and operational excellence. By securing critical digital assets, the Executive VP & Chief Information Officer protects the integrity of manufacturing processes. The executive collaborates with other leaders to implement scalable software solutions that support market expansion. Through strategic technology deployment, Baymiller enables the company to maintain a competitive edge in the construction materials industry.
    Annie Baymiller

    Gina Beredo - Executive VP, Chief Administrative Officer & General Counsel

    Gina Beredo, the Executive VP, Chief Administrative Officer & General Counsel at Owens Corning, manages the legal framework and administrative functions of the global enterprise. Overseeing corporate governance, compliance, and risk management, the Executive VP, Chief Administrative Officer & General Counsel ensures that all manufacturing and business activities adhere to international regulatory standards. This role involves protecting the intellectual property associated with material science innovations and guiding the company through complex legal landscapes. Gina Beredo provides strategic counsel to the Board and executive leadership, facilitating ethical decision-making across all operations. By streamlining administrative processes, the Executive VP, Chief Administrative Officer & General Counsel enhances organizational agility and supports the company's commitment to environmental responsibility. The executive leads initiatives that foster a culture of integrity and accountability. Through comprehensive legal and administrative oversight, Beredo safeguards the long-term interests of the organization.

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    Frequently Asked Questions Regarding Owens Corning Top Executives and Leadership Team

    Who leads Owens Corning?
    Owens Corning is led by Brian Chambers (Chairman & Chief Executive Officer), along with executives such as Amber Wohlfarth (Vice President, Segment Chief Financial Officer) and Brandi Bennington (Vice President, General Manager, OC Lumber and Roofing Segment Chief Financial Officer (Chief Financial Officer)).
    Who is part of Owens Corning’s executive team?
    The executive team of Owens Corning includes leaders such as Brian Chambers (Chairman & Chief Executive Officer), Amber Wohlfarth (Vice President, Segment Chief Financial Officer), Brandi Bennington (Vice President, General Manager, OC Lumber and Roofing Segment Chief Financial Officer (Chief Financial Officer)) and other senior executives.
    How many executives does Owens Corning have?
    Owens Corning has 9 executives leading key business areas.
    What roles are included in Owens Corning’s leadership team?
    The leadership team of Owens Corning includes roles such as Chairman & Chief Executive Officer, Vice President, Segment Chief Financial Officer, Vice President, General Manager, OC Lumber and Roofing Segment Chief Financial Officer (Chief Financial Officer), President & Chief Operating Officer, President, Composites.