Cornerstone Building Brands Executive and Leadership Team

May, 2026

Leadership Overview

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

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

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
  • President, Harvey Building Products - Justin St Hilaire
  • Chief Technology Officer - Michael Gemza
  • Chief Information Officer - Ram Manukonda
  • Executive Vice President & Chief Human Resources Officer - Peter Andrich
  • Chief Technology Officer & Technology Portfolio Manager - Manuel Ali
  • Gunner Smith - Chief Executive Officer

    Gunner Smith, the Chief Executive Officer at Cornerstone Building Brands, directs the overarching corporate strategy and operational execution. Smith guides the company's mission to provide high-quality exterior building products across North America, serving both residential and commercial sectors. This leadership role involves aligning all business units with the company's growth objectives and market expansion plans. Overseeing the integration of new technologies and market opportunities, Smith ensures Cornerstone Building Brands maintains its competitive edge in the manufacturing sector. The Chief Executive Officer's focus extends to fostering a culture of innovation and operational excellence throughout the organization. Gunner Smith drives the company's vision for sustainable growth and market leadership, ensuring robust performance in new construction and the repair & remodel segments.
    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. Krenicki oversees the strategic direction and immediate operational management of the organization, ensuring continuity and stability. This role involves guiding the company's executive team in executing its core business functions, which include manufacturing exterior building products for residential and commercial clients. The Chairman's responsibilities encompass maintaining strong governance practices and stakeholder relations. Krenicki's interim leadership ensures the company's ongoing commitment to serving customers across new construction and the repair & remodel markets. John Krenicki's experience is vital in navigating the company through its current phase, reinforcing its market position in North America.

    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 strategy and operations for the Shelter Solutions division. DeAngelis oversees all financial planning, analysis, reporting, and capital management activities, ensuring fiscal health and profitability. This critical role involves providing financial insights and guidance to support strategic decision-making for the company's exterior building products. The Chief Financial Officer's responsibilities extend to managing budgets, optimizing financial performance, and ensuring compliance with financial regulations. Stephen DeAngelis's financial acumen is essential for driving growth and efficiency within the Shelter Solutions segment, supporting Cornerstone Building Brands' market presence in residential and commercial sectors.

    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 planning for business units. Hayter provides critical financial leadership, overseeing budgeting, forecasting, and financial analysis to support business unit growth and profitability. This role is integral to ensuring sound financial decision-making across the company's diverse product lines. The Chief Financial Officer's responsibilities include driving financial performance, managing risk, and optimizing resource allocation within the business units. Jeffery Hayter's financial expertise is vital for Cornerstone Building Brands' success in the competitive exterior building products market, supporting both residential and commercial customer segments.

    Robert Burns - Executive Vice President & Chief Operating Officer

    Robert Burns, the Executive Vice President & Chief Operating Officer at Cornerstone Building Brands, oversees the company's extensive manufacturing and operational functions. Burns directs day-to-day operations, focusing on optimizing production processes, supply chain management, and ensuring the highest standards of product quality for exterior building products. This leadership position is crucial for driving operational efficiency and cost-effectiveness across all manufacturing facilities. The Chief Operating Officer's mandate includes implementing best practices in operational management and fostering a culture of continuous improvement. Robert Burns's strategic oversight ensures Cornerstone Building Brands effectively meets market demand in both the residential and commercial sectors, supporting new construction and repair & remodel projects.

    Justin St Hilaire - President, Harvey Building Products

    Justin St Hilaire, the President, Harvey Building Products at Cornerstone Building Brands, leads the strategic direction and operational execution for the Harvey Building Products division. St Hilaire is responsible for driving growth, innovation, and market expansion within this key segment of the company. This leadership role involves overseeing all aspects of the division's performance, from product development to sales and customer service, ensuring alignment with Cornerstone Building Brands' overall mission. The President's focus includes enhancing the division's product offerings and strengthening its position in the residential and commercial markets. Justin St Hilaire's leadership is critical for delivering high-quality exterior building products and maintaining customer satisfaction across new construction and repair & remodel channels.

    Michael Gemza - Chief Technology Officer

    Michael Gemza, the Chief Technology Officer at Cornerstone Building Brands, architects the company's technological vision and innovation roadmap. Gemza directs the development and implementation of advanced manufacturing technologies and digital solutions that enhance product quality and operational efficiency. This leadership position involves overseeing all aspects of technology infrastructure, research and development, and product innovation to support the company's manufacturing of exterior building products. The Chief Technology Officer's mandate includes driving digital transformation initiatives across the organization, ensuring seamless integration of new systems and processes. Michael Gemza's strategic guidance is crucial for maintaining Cornerstone Building Brands' competitive advantage in both the residential and commercial markets, particularly in new construction and repair & remodel segments.
    Michael Gemza

    Ram Manukonda - Chief Information Officer

    Ram Manukonda, the Chief Information Officer at Cornerstone Building Brands, spearheads the company's information technology strategy and infrastructure. Manukonda oversees the management of all IT systems, ensuring robust cybersecurity measures and efficient data management to support business operations. This role is critical in enabling the company's manufacturing processes and customer service delivery for exterior building products. The Chief Information Officer's responsibilities include driving digital transformation initiatives, optimizing IT resources, and ensuring technology solutions align with corporate objectives. Ram Manukonda's leadership ensures that Cornerstone Building Brands leverages technology effectively to serve residential and commercial customers across new construction and the repair & remodel markets, enhancing operational agility and data security.

    Peter Andrich - Executive Vice President & Chief Human Resources Officer

    Peter Andrich, the Executive Vice President & Chief Human Resources Officer at Cornerstone Building Brands, leads all human capital strategies and organizational development initiatives. Andrich is responsible for cultivating a high-performance culture, talent acquisition, employee engagement, and comprehensive HR operations across the company. This executive role ensures that Cornerstone Building Brands attracts, develops, and retains top talent essential for manufacturing excellence and customer service. The Chief Human Resources Officer's focus includes implementing robust HR policies and programs that support the company's mission in the residential and commercial exterior building products markets. Peter Andrich's leadership is instrumental in fostering an environment where employees can thrive, directly contributing to the company's success in new construction and repair & remodel sectors.
    Peter Andrich

    Manuel Ali - Chief Technology Officer & Technology Portfolio Manager

    Manuel Ali, the Chief Technology Officer & Technology Portfolio Manager at Cornerstone Building Brands, drives technological innovation and manages the company's technology investments. Ali oversees the strategic allocation of resources for technology projects, ensuring alignment with business goals and maximizing return on investment. This dual role involves both setting the technological direction and meticulously managing the portfolio of technology initiatives that support the manufacturing of exterior building products. The Chief Technology Officer's responsibilities include identifying emerging technologies and assessing their potential impact on the company's operations and market competitiveness. Manuel Ali's expertise ensures Cornerstone Building Brands remains at the forefront of technological advancement, serving residential and commercial customers effectively in new construction and repair & remodel 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.