Martin Marietta Executive and Leadership Team

June, 2026

Leadership Overview

Martin Marietta has 7 executives leading key functions including operations, regional management, and divisional leadership.

Driven by a commitment to excellence, Martin Marietta supplies essential aggregates and heavy building materials, underpinning critical infrastructure and construction projects across the nation and internationally.

Leadership Roles at Martin Marietta

  • Executive VP & Chief Operating Officer - Chris Samborski
  • President (East Division) - Oliver Brooks
  • President - Charles Tiller
  • Division President - John Harman
  • President (Southwest Division) - Kirk Light
  • Division President - William Gahan
  • Division President - William Podrazik
  • Chris Samborski - Executive VP & Chief Operating Officer

    Chris Samborski, the Executive VP & Chief Operating Officer at Martin Marietta, directs the company's extensive operational framework. Samborski oversees the mining, processing, and distribution of essential aggregates like granite, limestone, sand, and gravel, ensuring efficient supply chains for public infrastructure, nonresidential, and residential construction. This leadership role involves optimizing production facilities and logistics to meet market demands across the United States and internationally. By driving operational efficiencies, Chris Samborski supports the company's core mission of providing high-quality materials for diverse construction applications. The Chief Operating Officer's purview extends to asphalt products, ready mixed concrete, and road paving services, integrating these offerings into a cohesive operational strategy. Samborski's focus remains on enhancing productivity and maintaining the integrity of materials supplied for critical projects.
    Chris Samborski

    Oliver Brooks - President (East Division)

    Oliver Brooks, the President (East Division) at Martin Marietta, spearheads operations and strategic growth within the eastern United States. Brooks manages the regional supply of aggregates, including granite, limestone, sand, and gravel, catering to the specific needs of public infrastructure and construction markets in this territory. This executive role involves overseeing regional sales, production, and distribution networks to ensure consistent delivery of materials. By focusing on market penetration and customer relationships, Oliver Brooks drives revenue and expands Martin Marietta's footprint in key eastern states. The President (East Division) ensures alignment with corporate objectives while adapting strategies to local market dynamics. Brooks' leadership supports the company's commitment to providing essential building materials for regional development projects.

    Charles Tiller - President

    Charles Tiller, the President at Martin Marietta, guides the overarching strategic direction and operational execution across the company's diverse business segments. Tiller's leadership encompasses the supply of aggregates, including granite, limestone, sand, and gravel, crucial for public infrastructure and construction projects. This executive position involves fostering innovation in material science and production techniques to enhance product quality and sustainability. By collaborating with divisional leaders, Charles Tiller ensures cohesive market strategies and operational excellence throughout the organization. The President's role is pivotal in driving long-term growth and maintaining Martin Marietta's competitive edge in the heavy building materials sector. Tiller's focus remains on maximizing shareholder value and reinforcing the company's reputation for reliability and quality.

    John Harman - Division President

    John Harman, the Division President at Martin Marietta, directs operations and business development within a specific geographic division. Harman oversees the procurement, processing, and delivery of aggregates such as granite, limestone, sand, and gravel, serving the construction industry's diverse requirements. This leadership position involves managing regional teams, optimizing resource allocation, and ensuring compliance with safety and environmental standards. By cultivating strong client relationships, John Harman drives market share and revenue growth for the division. The Division President's responsibilities include implementing strategic initiatives that align with the company's broader objectives. Harman's efforts contribute directly to Martin Marietta's mission of supplying essential materials for infrastructure and building projects.

    Kirk Light - President (Southwest Division)

    Kirk Light, the President (Southwest Division) at Martin Marietta, leads strategic initiatives and operational management across the southwestern United States. Light directs the regional supply of aggregates, including granite, limestone, sand, and gravel, supporting critical infrastructure and construction projects in this territory. This executive role involves optimizing production facilities, managing logistics, and ensuring the consistent availability of high-quality materials. By fostering regional growth and market penetration, Kirk Light enhances Martin Marietta's presence and service capabilities in the Southwest. The President (Southwest Division) ensures that divisional operations align with corporate goals while addressing unique market demands. Light's leadership is instrumental in delivering essential building materials for the region's development.
    Kirk Light

    William Gahan - Division President

    William Gahan, the Division President at Martin Marietta, manages the operational and strategic direction for a key business division. Gahan oversees the comprehensive lifecycle of aggregate products, from mining and processing granite, limestone, sand, and gravel to their delivery for construction and infrastructure needs. This executive role involves leading cross-functional teams to achieve production targets, maintain quality standards, and ensure efficient distribution across the division's service area. By driving operational excellence and market responsiveness, William Gahan supports the company's commitment to providing vital building materials. The Division President's focus includes implementing innovative practices to enhance productivity and sustainability. Gahan's leadership contributes significantly to the division's success and Martin Marietta's overall market position.

    William Podrazik - Division President

    William Podrazik, the Division President at Martin Marietta, directs the operational performance and strategic development within a designated division. Podrazik oversees the supply chain for essential aggregates, including granite, limestone, sand, and gravel, crucial for the construction and infrastructure sectors. This leadership role involves managing regional production capabilities, optimizing logistics, and ensuring the timely delivery of materials to meet client demands. By fostering strong customer relationships and market understanding, William Podrazik drives revenue growth and expands the company's reach. The Division President's responsibilities include aligning divisional objectives with Martin Marietta's corporate strategy. Podrazik's efforts are key to maintaining the company's reputation for reliability and quality in material supply.

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    Frequently Asked Questions Regarding Martin Marietta Top Executives and Leadership Team

    Who leads Martin Marietta?
    Martin Marietta is led by Chris Samborski (Executive VP & Chief Operating Officer), along with executives such as Oliver Brooks (President (East Division)) and Charles Tiller (President).
    Who is part of Martin Marietta’s executive team?
    The executive team of Martin Marietta includes leaders such as Chris Samborski (Executive VP & Chief Operating Officer), Oliver Brooks (President (East Division)), Charles Tiller (President) and other senior executives.
    How many executives does Martin Marietta have?
    Martin Marietta has 7 executives leading key business areas.
    What roles are included in Martin Marietta’s leadership team?
    The leadership team of Martin Marietta includes roles such as Executive VP & Chief Operating Officer, President (East Division), President, Division President, President (Southwest Division).