GAF Executive and Leadership Team

July, 2026

Leadership Overview

GAF has 9 executives leading key functions including finance, human resources, operations, technology, legal, and regional leadership.

Driven by innovation, GAF manufactures essential building products, specializing in roofing, siding, and ventilation for residential and commercial sectors, impacting construction markets nationwide.

Leadership Roles at GAF

  • Chief Financial Officer - John Rebele
  • Executive Vice President & Chief Operating Officer - Richard Nowak
  • President, Usw Local 759 Gaf (Dallas) - Raj Penn
  • President's Club Award - Jarrod Dattoli
  • Group President, Asians Leading Together Employee Resource (Alternative) - Ronald Kung
  • President - Hugo Felix
  • Chief Human Resources Officer - Stephanie Shaw
  • Senior Vice President, Chief Technology Officer - Hari Reddy
  • General Counsel - Matthew Loncar
  • John Rebele - Chief Financial Officer

    John Rebele, the Chief Financial Officer at GAF, directs all financial operations and strategic fiscal planning. Rebele oversees budgeting, forecasting, and financial reporting, ensuring fiscal health and profitability across the organization. This leadership role involves managing capital allocation and investment strategies to support GAF's growth objectives in the building materials sector. By optimizing financial performance, John Rebele directly contributes to the company's market stability and expansion. Rebele's financial acumen guides resource deployment for product development and operational efficiency, reinforcing GAF's position as a leading manufacturer. The Chief Financial Officer ensures compliance with all financial regulations and drives shareholder value through sound financial management.

    Richard Nowak - Executive Vice President & Chief Operating Officer

    Richard Nowak, the Executive Vice President & Chief Operating Officer at GAF, directs all aspects of the company's operational execution and manufacturing efficiency. Nowak oversees the production and distribution of GAF's extensive product line, including shingles, siding, and ventilation systems, ensuring seamless delivery to residential and commercial markets. This leadership position involves optimizing supply chain logistics and manufacturing processes to meet market demand and maintain product quality standards. By driving operational excellence, Richard Nowak directly enhances GAF's competitive advantage in the building materials sector. The Executive Vice President & Chief Operating Officer manages plant operations and implements strategies for continuous improvement across all manufacturing facilities. Nowak's oversight ensures GAF consistently delivers reliable building solutions.
    Richard Nowak

    Raj Penn - President, Usw Local 759 Gaf (Dallas)

    Raj Penn, the President, Usw Local 759 Gaf (Dallas) at GAF, leads labor relations and operational oversight for the Dallas facility. Penn focuses on ensuring productive collaboration between management and unionized employees, fostering a safe and efficient working environment. This role involves advocating for the interests of the local union membership while supporting GAF's broader manufacturing objectives for products like siding and ventilation. By managing labor agreements and employee relations, Raj Penn contributes to the consistent production and quality of GAF's building materials. The President, Usw Local 759 Gaf (Dallas) plays a key part in maintaining operational continuity and employee satisfaction within the Dallas region. Penn's leadership ensures the Dallas plant effectively supports GAF's national supply chain.

    Jarrod Dattoli - President's Club Award

    Jarrod Dattoli, the President's Club Award recipient at GAF, represents exceptional achievement and leadership within the company's sales and distribution network. Dattoli's recognition signifies outstanding performance in driving sales for GAF's comprehensive range of building products, including roofing shingles and ornamental iron. This distinction highlights a proven ability to exceed targets and foster strong customer relationships across residential and commercial sectors. By consistently delivering superior results, Jarrod Dattoli exemplifies GAF's commitment to market leadership and customer satisfaction. The President's Club Award acknowledges a dedication to excellence that significantly contributes to GAF's revenue growth and market penetration. Dattoli's success underscores the company's focus on rewarding top-tier sales professionals.

    Ronald Kung - Group President, Asians Leading Together Employee Resource (Alternative)

    Ronald Kung, the Group President, Asians Leading Together Employee Resource (Alternative) at GAF, champions diversity and inclusion initiatives within the organization. Kung leads efforts to support and empower Asian employees, fostering a sense of community and professional development. This role involves collaborating with leadership to integrate diverse perspectives into GAF's corporate culture and business strategies, enhancing innovation in product development for materials like non-woven fabrics. By promoting an inclusive environment, Ronald Kung contributes to a stronger, more representative workforce. The Group President, Asians Leading Together Employee Resource (Alternative) advocates for equitable opportunities and career advancement for all employees. Kung's dedication strengthens GAF's commitment to a diverse and thriving workplace.

    Hugo Felix - President

    Hugo Felix, the President at GAF, directs overarching business strategy and operational performance across the company's diverse product lines. Felix oversees the manufacturing and distribution of essential building materials, including siding, ventilation products, and ductwork, serving both residential and commercial markets. This executive position involves driving growth initiatives, fostering innovation in product development, and ensuring GAF maintains its leadership in the construction industry. By setting strategic direction, Hugo Felix guides GAF's expansion and market penetration efforts. The President is responsible for aligning departmental goals with the company's mission to deliver high-quality, reliable building solutions. Felix's leadership ensures GAF's continued success and commitment to excellence.

    Stephanie Shaw - Chief Human Resources Officer

    Stephanie Shaw, the Chief Human Resources Officer at GAF, architects the company's talent strategy and organizational development. Shaw leads initiatives focused on employee engagement, culture cultivation, and workforce planning to support GAF's manufacturing operations. This critical role involves developing comprehensive HR policies and programs that align with the company's mission to provide high-quality building products. By fostering a supportive and productive work environment, Stephanie Shaw ensures GAF attracts and retains top talent across its residential and commercial divisions. The Chief Human Resources Officer drives initiatives for diversity, equity, and inclusion, enhancing the overall employee experience and operational effectiveness. Shaw's leadership strengthens the human capital essential for GAF's continued success in the building materials industry.
    Stephanie Shaw

    Hari Reddy - Senior Vice President, Chief Technology Officer

    Hari Reddy, the Senior Vice President, Chief Technology Officer at GAF, spearheads technological innovation and digital transformation across the organization. Reddy guides the development and implementation of advanced technologies that enhance GAF's manufacturing processes and product offerings, including ductwork and non-woven fabrics. This role involves overseeing research and development initiatives, ensuring GAF remains at the forefront of material science and production techniques. By leveraging cutting-edge technology, Hari Reddy drives efficiency and sustainability in GAF's operations. The Senior Vice President, Chief Technology Officer also manages the company's IT infrastructure and cybersecurity measures, safeguarding critical data and systems. Reddy's strategic vision propels GAF's technological capabilities forward.
    Hari Reddy

    Matthew Loncar - General Counsel

    Matthew Loncar, the General Counsel at GAF, provides comprehensive legal counsel and oversees all legal affairs for the company. Loncar manages corporate governance, regulatory compliance, and risk management, ensuring GAF operates within legal frameworks across its manufacturing and distribution channels. This position involves advising on contracts, intellectual property, and litigation matters related to building products. By safeguarding GAF's legal interests, Matthew Loncar supports the company's strategic objectives and protects its reputation. The General Counsel plays a pivotal role in navigating complex legal landscapes inherent in the construction and manufacturing industries. Loncar's expertise ensures GAF adheres to all applicable laws and industry standards.

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    Frequently Asked Questions Regarding GAF Top Executives and Leadership Team

    Who leads GAF?
    GAF is led by John Rebele (Chief Financial Officer), along with executives such as Richard Nowak (Executive Vice President & Chief Operating Officer) and Raj Penn (President, Usw Local 759 Gaf (Dallas)).
    Who is part of GAF’s executive team?
    The executive team of GAF includes leaders such as John Rebele (Chief Financial Officer), Richard Nowak (Executive Vice President & Chief Operating Officer), Raj Penn (President, Usw Local 759 Gaf (Dallas)) and other senior executives.
    How many executives does GAF have?
    GAF has 9 executives leading key business areas.
    What roles are included in GAF’s leadership team?
    The leadership team of GAF includes roles such as Chief Financial Officer, Executive Vice President & Chief Operating Officer, President, Usw Local 759 Gaf (Dallas), President's Club Award, Group President, Asians Leading Together Employee Resource (Alternative).