Owens Corning Executive and Leadership Team

October, 2026

Leadership Overview

Owens Corning has 9 executives leading key functions including corporate strategy, information technology, operational management, financial oversight, philanthropic initiatives, legal administration, and specialized business segment leadership.

Committed to advancing sustainable construction through material science, Owens Corning delivers high-performance insulation, roofing, and composite solutions that enhance energy efficiency for global residential, commercial, and industrial markets.

Leadership Roles at Owens Corning

  • Chairman & Chief Executive Officer - Brian Chambers
  • Vice President, General Manager, OC Lumber and Roofing Segment Chief Financial Officer (Chief Financial Officer) - Brandi Bennington
  • Vice President, Segment Chief Financial Officer - Amber Wohlfarth
  • President & Chief Operating Officer - Todd Fister
  • President, Owens Corning Foundation - Donald Rettig
  • President - Jose Canovas
  • President, Composites - Marcio Sandri
  • 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 overarching corporate strategy and long-term vision for the global building materials enterprise. Chambers architects the company's commitment to material science innovation, ensuring that insulation, roofing, and composite product lines maintain market leadership. By aligning executive priorities with sustainability goals, the Chairman & Chief Executive Officer drives operational excellence across all international manufacturing facilities. Brian Chambers maintains direct oversight of the board of directors, facilitating governance and strategic growth initiatives that expand the company's footprint in residential and industrial construction sectors. Through rigorous capital allocation and a focus on high-performance building solutions, the Chief Executive Officer secures the competitive position of the organization. This leadership role involves constant evaluation of global market trends to optimize the portfolio, ensuring that the company delivers consistent value to shareholders while advancing environmental responsibility in the construction industry.
    Brian Chambers

    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, manages the financial health and operational performance of the lumber and roofing business units. Bennington directs the budgeting, forecasting, and capital planning processes specifically tailored to these high-growth segments. By analyzing market demand for roofing materials, the Vice President, General Manager, OC Lumber and Roofing Segment Chief Financial Officer (Chief Financial Officer) drives strategic investment decisions that improve segment profitability. Brandi Bennington oversees the financial reporting and risk management frameworks, ensuring that the business unit remains aligned with the broader corporate financial strategy. This leadership role involves coordinating with operational teams to maximize margins and optimize resource allocation for construction projects. Through rigorous financial oversight, the executive supports the company's mission to provide durable and sustainable building solutions while maintaining fiscal discipline and long-term growth in the competitive construction materials market.

    Amber Wohlfarth - Vice President, Segment Chief Financial Officer

    Amber Wohlfarth, the Vice President, Segment Chief Financial Officer at Owens Corning, directs the financial strategy and performance monitoring for key business segments within the organization. Wohlfarth architects financial models that evaluate the profitability of insulation and composite material production, ensuring that segment operations contribute effectively to the company's overall revenue goals. By overseeing cost management and capital expenditure analysis, the Vice President, Segment Chief Financial Officer drives operational efficiency across diverse manufacturing lines. Amber Wohlfarth collaborates with segment presidents to identify growth opportunities and mitigate financial risks associated with global market fluctuations. This leadership role involves providing critical financial insights to the executive team, supporting strategic decisions that enhance the company's market position in the building materials industry. Through precise financial planning and performance tracking, the executive ensures that the company maintains a strong balance sheet while continuing to invest in sustainable innovation and high-performance product development.

    Todd Fister - President & Chief Operating Officer

    Todd Fister, the President & Chief Operating Officer at Owens Corning, executes the daily operational strategy across the company's diverse manufacturing portfolio. Fister directs the production and distribution of insulation and roofing materials, ensuring that global supply chains meet the rigorous demands of commercial and residential construction projects. By optimizing manufacturing processes, the President & Chief Operating Officer drives efficiency gains and cost-effective production cycles. Todd Fister collaborates with segment leaders to synchronize regional operations, maintaining high quality standards for all composite and building products. This leadership role involves managing complex logistics and operational workflows to support the company's growth objectives in international markets. Through the implementation of lean manufacturing principles, the Chief Operating Officer enhances the overall performance of the organization, ensuring that the company remains a reliable partner for builders and industrial clients seeking energy-efficient and durable material solutions.
    Todd Fister

    Donald Rettig - President, Owens Corning Foundation

    Donald Rettig, the President, Owens Corning Foundation at Owens Corning, directs the philanthropic strategy and community engagement initiatives that align with the company's core values. Rettig architects programs that support sustainable housing, educational advancement, and environmental stewardship in the regions where the company operates. By managing the foundation's grant-making processes, the President, Owens Corning Foundation drives positive social impact and strengthens the company's reputation as a responsible corporate citizen. Donald Rettig collaborates with internal stakeholders to ensure that charitable efforts reflect the company's expertise in building materials and energy efficiency. This leadership role involves fostering partnerships with non-profit organizations to address critical needs in housing and infrastructure. Through the strategic deployment of resources, the executive enhances the company's commitment to long-term environmental and social responsibility, ensuring that the organization contributes meaningfully to the communities it serves while advancing its mission of creating a more sustainable future.
    Donald Rettig

    Jose Canovas - President

    Jose Canovas, the President at Owens Corning, directs the strategic growth and operational execution of specific business units focused on insulation and building materials. Canovas architects market-specific strategies that address the evolving needs of residential and commercial construction clients. By overseeing product development and regional sales initiatives, the President drives market share expansion and enhances the company's competitive edge. Jose Canovas collaborates with cross-functional teams to ensure that manufacturing output meets the high standards of energy efficiency and durability expected by customers. This leadership role involves managing the operational performance of key business lines, ensuring that the company delivers consistent value through its innovative material solutions. Through the implementation of customer-centric strategies, the executive supports the company's mission to improve building performance globally, ensuring that the organization remains at the forefront of the construction materials industry while achieving sustainable growth and operational excellence.
    Jose Canovas

    Marcio Sandri - President, Composites

    Marcio Sandri, the President, Composites at Owens Corning, directs the global strategy and manufacturing operations for the company's advanced composite materials division. Sandri architects the development of high-performance glass fiber and composite solutions that serve diverse industrial applications, including wind energy, infrastructure, and transportation. By overseeing the innovation pipeline and production capacity, the President, Composites drives the adoption of lightweight and durable materials that support global sustainability goals. Marcio Sandri manages the division's international footprint, ensuring that manufacturing facilities meet the complex technical requirements of industrial clients. This leadership role involves coordinating with research and development teams to advance material science, maintaining the company's position as a leader in the composites market. Through the strategic management of this division, the executive supports the company's broader mission to provide innovative, energy-efficient solutions that enhance building and industrial performance across global markets.
    Marcio Sandri

    Annie Baymiller - Executive VP & Chief Information Officer

    Annie Baymiller, the Executive VP & Chief Information Officer at Owens Corning, manages the digital infrastructure and technological transformation required to support global manufacturing operations. Baymiller architects scalable data systems that enhance supply chain visibility and operational efficiency across the insulation and roofing business units. By integrating advanced analytics into the production process, the Executive VP & Chief Information Officer drives data-informed decision-making throughout the organization. Annie Baymiller oversees cybersecurity protocols and enterprise software deployments, ensuring that the company maintains a secure and agile digital environment. This leadership role involves collaborating with other C-suite members to align technology investments with the broader corporate mission of sustainable material innovation. Through the modernization of internal systems, the Chief Information Officer supports the company's ability to meet complex industrial construction demands while maintaining high standards of operational performance and digital connectivity across all regional markets.
    Annie Baymiller

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

    Gina Beredo, the Executive VP, Chief Administrative Officer & General Counsel at Owens Corning, directs the legal, compliance, and administrative functions of the global organization. Beredo architects the legal strategy for intellectual property protection, particularly regarding the company's proprietary material science innovations. By overseeing corporate governance and regulatory compliance, the Executive VP, Chief Administrative Officer & General Counsel drives ethical standards across all international operations. Gina Beredo manages complex litigation, contract negotiations, and administrative policies that support the company's business objectives in the construction materials sector. This leadership role involves advising the board and executive team on legal risks and strategic opportunities, ensuring that the company operates within the framework of global laws and regulations. Through the management of legal and administrative affairs, the executive protects the company's assets and reputation, enabling the organization to focus on delivering high-performance building solutions and maintaining its position as a leader in the industry.

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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 Brandi Bennington (Vice President, General Manager, OC Lumber and Roofing Segment Chief Financial Officer (Chief Financial Officer)) and Amber Wohlfarth (Vice President, Segment 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), Brandi Bennington (Vice President, General Manager, OC Lumber and Roofing Segment Chief Financial Officer (Chief Financial Officer)), Amber Wohlfarth (Vice President, Segment 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, General Manager, OC Lumber and Roofing Segment Chief Financial Officer (Chief Financial Officer), Vice President, Segment Chief Financial Officer, President & Chief Operating Officer, President, Owens Corning Foundation.