Cornerstone Building Brands Executive and Leadership Team

July, 2026

Leadership Overview

Cornerstone Building Brands has 10 executives leading key functions including strategy, operations, technology, and finance.

Driven by innovation, Cornerstone Building Brands manufactures exterior building products for residential and commercial customers, serving new construction and repair markets across North America with a commitment to quality and customer satisfaction.

Leadership Roles at Cornerstone Building Brands

  • Chief Executive Officer - Gunner Smith
  • Chairman, Interim President & Chief Executive Officer - John Krenicki
  • Senior VP, Finance & Chief Financial Officer, Shelter Solutions - Stephen DeAngelis
  • Senior VP, Business Finance & Chief Financial Officer, BU - Jeffery Hayter
  • Executive Vice President & Chief Operating Officer - Robert Burns
  • Chief Information Officer - Ram Manukonda
  • Chief Technology Officer - Michael Gemza
  • Chief Technology Officer & Technology Portfolio Manager - Manuel Ali
  • Executive Vice President & Chief Human Resources Officer - Michael Pulcanio
  • Interim Chief Human Resources Officer - Jennifer Horrocks
  • Gunner Smith - Chief Executive Officer

    Gunner Smith, the Chief Executive Officer at Cornerstone Building Brands, directs the company's overall strategic vision and operational execution. Smith guides the organization's expansion across North America, focusing on enhancing market presence in both residential and commercial sectors. This leadership role involves aligning all departments toward achieving sustainable growth and maximizing shareholder value. Overseeing the integration of new technologies and market strategies, Smith ensures Cornerstone Building Brands maintains its position as a leading manufacturer of exterior building products. The Chief Executive Officer's responsibilities extend to fostering a culture of innovation and operational excellence throughout the enterprise. By driving key initiatives, Gunner Smith directly impacts the company's ability to serve new construction and repair/remodel markets effectively, solidifying its reputation for quality and reliability.
    Gunner Smith

    John Krenicki - Chairman, Interim President & Chief Executive Officer

    John Krenicki, the Chairman, Interim President & Chief Executive Officer at Cornerstone Building Brands, provides critical leadership during a transitional period, ensuring continuity in strategic direction and operational oversight. Krenicki's dual role as Chairman and interim CEO allows for a comprehensive view of governance and day-to-day management, steering the company through its current phase. This leadership position involves maintaining robust relationships with stakeholders and the board, while also driving key business objectives. The Chairman, Interim President & Chief Executive Officer focuses on stabilizing operations and identifying opportunities for enhanced performance across the North American market. By championing strategic initiatives, John Krenicki supports the company's mission to deliver high-quality exterior building products to residential and commercial clients, reinforcing its market standing.

    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, manages the financial operations and strategic planning for the Shelter Solutions division. DeAngelis oversees all financial aspects, including budgeting, forecasting, financial reporting, and capital allocation, ensuring fiscal health and driving profitability within this key business segment. This role is integral to supporting the division's manufacturing and market outreach efforts for exterior building products. The Senior VP, Finance & Chief Financial Officer, Shelter Solutions focuses on optimizing financial performance and identifying growth opportunities. By providing robust financial oversight and strategic guidance, Stephen DeAngelis directly supports the sustained success and expansion of the Shelter Solutions business unit.

    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, leads financial strategy and operations for the business unit (BU), ensuring robust fiscal management and driving financial performance. Hayter is responsible for financial planning, analysis, and reporting, providing critical insights to support strategic decision-making across the BU's operations. This role is essential for optimizing resource allocation and enhancing profitability in the manufacturing of exterior building products. The Senior VP, Business Finance & Chief Financial Officer, BU focuses on driving financial discipline and identifying opportunities for revenue growth and cost efficiency. By delivering expert financial leadership, Jeffery Hayter directly contributes to the BU's ability to meet its targets and support the overall company mission.

    Robert Burns - Executive Vice President & Chief Operating Officer

    Robert Burns, the Executive Vice President & Chief Operating Officer at Cornerstone Building Brands, directs the company's extensive operational activities, ensuring efficiency and excellence in manufacturing and supply chain management across North America. Burns oversees production facilities, logistics, and operational processes, driving improvements that enhance product quality and delivery timelines for residential and commercial customers. This leadership role is fundamental to the company's ability to meet market demand for exterior building products. The Executive Vice President & Chief Operating Officer focuses on optimizing operational workflows, implementing best practices, and fostering a culture of continuous improvement. By ensuring seamless execution of operations, Robert Burns directly impacts Cornerstone Building Brands' capacity to deliver value and maintain its competitive position.

    Ram Manukonda - Chief Information Officer

    Ram Manukonda, the Chief Information Officer at Cornerstone Building Brands, architects and executes the company's comprehensive technology strategy, ensuring robust digital infrastructure supports business objectives. Manukonda oversees all aspects of information technology, including systems development, data management, cybersecurity, and digital transformation initiatives across North America. This role is pivotal in enhancing operational efficiency and enabling data-driven decision-making for both residential and commercial market segments. The Chief Information Officer drives innovation in IT solutions, optimizing processes for manufacturing and customer engagement. By ensuring the reliability and security of technological assets, Ram Manukonda directly contributes to the company's ability to deliver superior exterior building products and maintain a competitive edge in the market.

    Michael Gemza - Chief Technology Officer

    Michael Gemza, the Chief Technology Officer at Cornerstone Building Brands, spearheads the development and implementation of advanced technological solutions that drive product innovation and manufacturing excellence. Gemza leads research and development efforts, focusing on creating next-generation exterior building products that meet evolving market demands in residential and commercial construction. This critical role involves exploring new materials, sustainable practices, and cutting-edge design to enhance product performance and appeal. The Chief Technology Officer ensures that technological advancements align with the company's strategic goals for growth and market leadership. By fostering a culture of technological exploration, Michael Gemza directly supports Cornerstone Building Brands' commitment to delivering high-quality, innovative solutions to its customer base across North America.
    Michael Gemza

    Manuel Ali - Chief Technology Officer & Technology Portfolio Manager

    Manuel Ali, the Chief Technology Officer & Technology Portfolio Manager at Cornerstone Building Brands, manages the strategic allocation and optimization of technology investments across the organization. Ali oversees the entire technology portfolio, ensuring that all IT projects and initiatives align with the company's overarching business strategy and deliver maximum return on investment. This dual role involves both setting the technological direction and meticulously managing the resources dedicated to achieving those goals. The Chief Technology Officer & Technology Portfolio Manager focuses on identifying emerging technologies and assessing their potential impact on the exterior building products market. By strategically guiding technology deployment, Manuel Ali ensures Cornerstone Building Brands remains at the forefront of innovation, enhancing its offerings for residential and commercial customers.

    Michael Pulcanio - Executive Vice President & Chief Human Resources Officer

    Michael Pulcanio, the Executive Vice President & Chief Human Resources Officer at Cornerstone Building Brands, directs all human capital strategies, fostering a high-performance culture that supports the company's growth objectives. Pulcanio oversees talent acquisition, employee development, compensation and benefits, and organizational design across North America. This leadership position is crucial for attracting and retaining top talent essential for manufacturing excellence and market expansion in residential and commercial sectors. The Executive Vice President & Chief Human Resources Officer champions initiatives that enhance employee engagement and align workforce capabilities with strategic priorities. By cultivating a skilled and motivated team, Michael Pulcanio directly contributes to Cornerstone Building Brands' ability to innovate and deliver exceptional exterior building products.
    Michael Pulcanio

    Jennifer Horrocks - Interim Chief Human Resources Officer

    Jennifer Horrocks, the Interim Chief Human Resources Officer at Cornerstone Building Brands, provides essential leadership for human resources functions during a critical interim period, ensuring continuity and strategic alignment. Horrocks oversees talent management, employee relations, and HR policy implementation, supporting the company's workforce across North America. This role is vital for maintaining employee morale and productivity, crucial for the manufacturing and distribution of exterior building products. The Interim Chief Human Resources Officer focuses on supporting employees and management through organizational changes and ensuring HR operations effectively serve the business needs. By maintaining a strong focus on people, Jennifer Horrocks directly contributes to Cornerstone Building Brands' operational stability and its ability to serve residential and commercial markets.

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    Frequently Asked Questions Regarding Cornerstone Building Brands Top Executives and Leadership Team

    Who leads Cornerstone Building Brands?
    Cornerstone Building Brands is led by Gunner Smith (Chief Executive Officer), along with executives such as John Krenicki (Chairman, Interim President & Chief Executive Officer) and Stephen DeAngelis (Senior VP, Finance & Chief Financial Officer, Shelter Solutions).
    Who is part of Cornerstone Building Brands’s executive team?
    The executive team of Cornerstone Building Brands includes leaders such as Gunner Smith (Chief Executive Officer), John Krenicki (Chairman, Interim President & Chief Executive Officer), Stephen DeAngelis (Senior VP, Finance & Chief Financial Officer, Shelter Solutions) and other senior executives.
    How many executives does Cornerstone Building Brands have?
    Cornerstone Building Brands has 10 executives leading key business areas.
    What roles are included in Cornerstone Building Brands’s leadership team?
    The leadership team of Cornerstone Building Brands includes roles such as Chief Executive Officer, Chairman, Interim President & Chief Executive Officer, Senior VP, Finance & Chief Financial Officer, Shelter Solutions, Senior VP, Business Finance & Chief Financial Officer, BU, Executive Vice President & Chief Operating Officer.