Leadership Overview
Cornerstone Building Brands has 10 executives leading key functions including strategy, operations, technology, finance, and human resources.
Focused on delivering high-quality exterior building products, Cornerstone Building Brands drives innovation across North American residential and commercial markets to enhance construction efficiency and long-term structural durability.
Focused on delivering high-quality exterior building products, Cornerstone Building Brands drives innovation across North American residential and commercial markets to enhance construction efficiency and long-term structural durability.
Leadership Roles at Cornerstone Building Brands
Gunner Smith - Chief Executive Officer
Gunner Smith, the Chief Executive Officer at Cornerstone Building Brands, directs the overarching corporate strategy for the entire North American manufacturing portfolio. Smith architects long-term growth initiatives by aligning exterior building product development with evolving residential and commercial construction demands. By overseeing the executive leadership team, the Chief Executive Officer ensures operational excellence across all manufacturing facilities. This leadership role involves constant engagement with the Board to maintain market competitiveness and financial health. Gunner Smith drives the organization toward sustainable expansion within the repair and remodel sectors. Through rigorous oversight of market trends, the Chief Executive Officer optimizes resource allocation to maximize shareholder value. Smith maintains a focus on scaling production capabilities to meet regional demand fluctuations. Ultimately, the Chief Executive Officer secures the company's position as a premier provider of exterior building solutions through disciplined execution and strategic foresight.

John Krenicki - Chairman, Interim President & Chief Executive Officer
John Krenicki, the Chairman, Interim President & Chief Executive Officer at Cornerstone Building Brands, manages the immediate strategic direction and governance of the organization. Krenicki oversees the integration of business units to ensure seamless operations across the North American manufacturing landscape. By coordinating with the Board, the Chairman, Interim President & Chief Executive Officer maintains rigorous standards for corporate performance and operational efficiency. This leadership role involves stabilizing core business functions while identifying new opportunities in the residential and commercial construction markets. John Krenicki drives the company toward improved profitability by streamlining internal processes and enhancing product delivery cycles. Through active management of the executive team, the Chairman, Interim President & Chief Executive Officer fosters a culture of accountability and high performance. Krenicki ensures that all strategic decisions support the broader mission of providing durable exterior building products. Ultimately, the Chairman, Interim President & Chief Executive Officer stabilizes the enterprise during critical growth phases.
Stephen DeAngelis - Senior VP, Finance & Chief Financial Officer, Shelter Solutions
Stephen DeAngelis, the Senior VP, Finance & Chief Financial Officer, Shelter Solutions at Cornerstone Building Brands, directs the financial planning and analysis for the Shelter Solutions business unit. DeAngelis architects fiscal strategies that support the manufacturing and distribution of exterior building products. By overseeing the financial health of this specific division, the Senior VP, Finance & Chief Financial Officer, Shelter Solutions ensures that capital investments align with long-term growth objectives. This leadership role involves managing budgets, forecasting revenue, and mitigating financial risks within the residential construction market. Stephen DeAngelis drives cost-efficiency initiatives that improve the profitability of the Shelter Solutions portfolio. Through collaboration with the broader finance team, the Senior VP, Finance & Chief Financial Officer, Shelter Solutions provides the data-driven insights necessary for strategic decision-making. DeAngelis maintains rigorous financial reporting standards. Ultimately, the Senior VP, Finance & Chief Financial Officer, Shelter Solutions secures the financial viability of the division.
Jeffery Hayter - Senior VP, Business Finance & Chief Financial Officer, BU
Jeffery Hayter, the Senior VP, Business Finance & Chief Financial Officer, BU at Cornerstone Building Brands, manages the financial operations and strategic accounting for the business unit. Hayter architects financial models that evaluate the performance of exterior building product lines. By overseeing the financial reporting for the unit, the Senior VP, Business Finance & Chief Financial Officer, BU ensures that resources are allocated to the most profitable segments of the residential and commercial markets. This leadership role involves analyzing market trends to inform pricing strategies and operational investments. Jeffery Hayter drives the development of financial controls that enhance transparency and accountability. Through coordination with other finance leaders, the Senior VP, Business Finance & Chief Financial Officer, BU supports the company's broader fiscal objectives. Hayter maintains a focus on optimizing working capital to support manufacturing growth. Ultimately, the Senior VP, Business Finance & Chief Financial Officer, BU secures the financial foundation of the business unit.
Robert Burns - Executive Vice President & Chief Operating Officer
Robert Burns, the Executive Vice President & Chief Operating Officer at Cornerstone Building Brands, manages the daily manufacturing and logistics operations across North America. Burns architects efficient production workflows that support the high-volume demands of residential and commercial construction customers. By overseeing the entire supply chain, the Executive Vice President & Chief Operating Officer ensures that exterior building products reach the market with precision and speed. This leadership role involves optimizing factory output and reducing operational waste to improve margins. Robert Burns drives the implementation of lean manufacturing principles across all regional facilities. Through coordination with the executive team, the Executive Vice President & Chief Operating Officer aligns operational capacity with shifting market demand. Burns maintains a focus on safety and quality control to uphold the company's standards. Ultimately, the Executive Vice President & Chief Operating Officer secures the operational stability necessary for sustained business growth.
Timothy OBrien - Interim President, Aperture Solutions (US)
Timothy OBrien, the Interim President, Aperture Solutions (US) at Cornerstone Building Brands, manages the strategic and operational activities for the Aperture Solutions division within the United States. OBrien architects growth plans that focus on expanding the market share of exterior building products in the residential and commercial sectors. By overseeing the division's performance, the Interim President, Aperture Solutions (US) ensures that production and sales targets are met consistently. This leadership role involves coordinating with regional teams to address specific customer needs and market challenges. Timothy OBrien drives the implementation of operational improvements that enhance product delivery and service quality. Through collaboration with the executive leadership team, the Interim President, Aperture Solutions (US) aligns the division's activities with the company's broader mission. OBrien maintains a focus on driving revenue and operational excellence. Ultimately, the Interim President, Aperture Solutions (US) secures the division's position as a key contributor to the company's success.
Ram Manukonda - Chief Information Officer
Ram Manukonda, the Chief Information Officer at Cornerstone Building Brands, directs the digital infrastructure and data management strategies essential for large-scale manufacturing operations. Manukonda architects secure, scalable systems that support the company's North American supply chain and customer service platforms. By overseeing the IT department, the Chief Information Officer ensures that digital tools align with the specific needs of the residential and commercial construction sectors. This leadership role involves implementing advanced analytics to improve production efficiency and inventory management. Ram Manukonda drives the digital transformation agenda, enabling real-time visibility into manufacturing workflows. Through collaboration with other C-suite leaders, the Chief Information Officer integrates technology into the core business model to enhance operational agility. Manukonda maintains robust cybersecurity protocols to protect critical enterprise data. Ultimately, the Chief Information Officer secures the technological foundation required for the company to maintain its competitive edge in the building products industry.
Michael Gemza - Chief Technology Officer
Michael Gemza, the Chief Technology Officer at Cornerstone Building Brands, leads the research and development of innovative exterior building materials. Gemza architects technical solutions that improve the performance, durability, and aesthetic appeal of products used in North American construction. By overseeing the engineering teams, the Chief Technology Officer ensures that manufacturing processes incorporate cutting-edge materials science. This leadership role involves bridging the gap between product design and large-scale factory production. Michael Gemza drives the development of sustainable building technologies that meet the rigorous demands of the repair and remodel markets. Through constant evaluation of emerging industry standards, the Chief Technology Officer maintains the company's reputation for quality and reliability. Gemza collaborates with operations leaders to integrate new technologies into existing production lines. Ultimately, the Chief Technology Officer secures the company's future by advancing the technical capabilities of the entire exterior product portfolio.

Michael Pulcanio - Executive Vice President & Chief Human Resources Officer
Michael Pulcanio, the Executive Vice President & Chief Human Resources Officer at Cornerstone Building Brands, directs the talent acquisition, development, and organizational culture strategies. Pulcanio architects programs that attract and retain the skilled workforce necessary for large-scale manufacturing operations across North America. By overseeing human resources, the Executive Vice President & Chief Human Resources Officer ensures that the company's workforce remains aligned with the strategic goals of the residential and commercial construction sectors. This leadership role involves managing employee relations, compensation structures, and leadership development initiatives. Michael Pulcanio drives the implementation of inclusive workplace policies that foster innovation and productivity. Through collaboration with the C-suite, the Executive Vice President & Chief Human Resources Officer integrates human capital planning into the overall business strategy. Pulcanio maintains a focus on building a high-performance culture. Ultimately, the Executive Vice President & Chief Human Resources Officer secures the talent pipeline required for long-term success.

Manuel Ali - Chief Technology Officer & Technology Portfolio Manager
Manuel Ali, the Chief Technology Officer & Technology Portfolio Manager at Cornerstone Building Brands, directs the strategic selection and management of the company's technology investments. Ali architects the roadmap for integrating new software and hardware solutions into the manufacturing and distribution processes. By overseeing the technology portfolio, the Chief Technology Officer & Technology Portfolio Manager ensures that the organization adopts tools that improve product quality and operational efficiency. This leadership role involves evaluating emerging technologies for their potential impact on the exterior building products market. Manuel Ali drives the alignment of technical projects with the company's overall business goals. Through collaboration with the IT and engineering teams, the Chief Technology Officer & Technology Portfolio Manager optimizes the return on investment for all technology initiatives. Ali maintains a focus on future-proofing the company's digital capabilities. Ultimately, the Chief Technology Officer & Technology Portfolio Manager secures the technological advancement of the enterprise.
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