Martin Marietta Executive and Leadership Team

May, 2026

Leadership Overview

Martin Marietta has 7 executives leading key functions including operations, regional management, and strategic oversight.

Driven by a commitment to quality and innovation, Martin Marietta supplies essential aggregates and heavy building materials, powering 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 (Southwest Division) - Kirk Light
  • Division President - John Harman
  • Division President - William Gahan
  • President - Charles Tiller
  • 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 activities. Samborski oversees the mining, processing, and distribution of critical 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 demand across the United States and internationally. Samborski's operational strategies directly support the company's mission to provide essential building materials. By focusing on operational excellence, Chris Samborski drives efficiency and cost-effectiveness throughout the organization, reinforcing Martin Marietta's position as a leading supplier in the construction materials sector. The Executive VP & Chief Operating Officer also coordinates with division presidents to ensure consistent execution of company-wide operational standards and safety protocols.
    Chris Samborski

    Oliver Brooks - President (East Division)

    Oliver Brooks, the President (East Division) at Martin Marietta, commands operations and strategic growth within the eastern United States. Brooks manages the supply of aggregates, asphalt products, and ready-mixed concrete to support significant infrastructure development and construction projects in this key region. This executive role involves overseeing regional sales, production, and customer relations, ensuring alignment with Martin Marietta's broader business objectives. Oliver Brooks drives market penetration and operational efficiency across the East Division, focusing on delivering high-quality materials and services. The President (East Division) also cultivates relationships with key stakeholders and clients, reinforcing the company's market presence. Brooks' leadership ensures the division's contribution to the company's overall success in supplying essential construction materials.

    Kirk Light - President (Southwest Division)

    Kirk Light, the President (Southwest Division) at Martin Marietta, spearheads the company's operations and market strategy in the southwestern United States. Light directs the provision of aggregates, ready-mixed concrete, and related construction services, catering to the region's growing infrastructure and building needs. This executive position requires meticulous oversight of regional production facilities, supply chain management, and sales initiatives. Kirk Light focuses on expanding market share and enhancing operational performance within the Southwest Division, ensuring consistent delivery of quality products. The President (Southwest Division) also fosters strong client partnerships and manages regional business development. Light's strategic direction is crucial for Martin Marietta's sustained growth and its role in supporting regional construction and development projects.
    Kirk Light

    John Harman - Division President

    John Harman, the Division President at Martin Marietta, oversees a specific operational segment of the company, driving performance and strategic execution. Harman manages the production and distribution of aggregates and heavy building materials, supporting construction and infrastructure projects within the designated division. This leadership role involves optimizing regional operations, ensuring product quality, and fostering strong customer relationships. John Harman focuses on achieving key business objectives, including market growth and operational efficiency. The Division President also collaborates with other leaders to align divisional strategies with the company's overall mission. Harman's management ensures the division's contribution to Martin Marietta's success in supplying essential materials to the construction industry.

    William Gahan - Division President

    William Gahan, the Division President at Martin Marietta, directs the operational and strategic initiatives for a key business division. Gahan oversees the supply of aggregates, asphalt products, and ready-mixed concrete, supporting diverse construction needs within the division's territory. This executive role emphasizes driving operational excellence, managing regional sales, and ensuring customer satisfaction. William Gahan focuses on achieving targeted growth and profitability by optimizing resource allocation and production processes. The Division President also plays a vital part in developing and implementing regional business strategies. Gahan's leadership ensures the division effectively contributes to Martin Marietta's overall market presence and its commitment to providing critical construction materials.

    Charles Tiller - President

    Charles Tiller, the President at Martin Marietta, leads significant aspects of the company's operations and strategic direction. Tiller oversees the provision of aggregates, cement, and related heavy building materials essential for major construction and infrastructure projects. This executive position involves guiding regional teams, managing P&L responsibilities, and ensuring operational efficiency across assigned areas. Charles Tiller drives market expansion and maintains Martin Marietta's competitive edge through strategic planning and execution. The President also fosters a culture of safety and quality, reinforcing the company's commitment to its customers and stakeholders. Tiller's leadership is instrumental in achieving the company's growth objectives and solidifying its reputation as a premier materials supplier.

    William Podrazik - Division President

    William Podrazik, the Division President at Martin Marietta, manages a distinct operational segment, driving its performance and strategic objectives. Podrazik oversees the supply of aggregates, ready-mixed concrete, and asphalt products, supporting the construction industry within the division's geographic scope. This executive role focuses on optimizing production, logistics, and sales efforts to meet regional market demands. William Podrazik ensures adherence to quality standards and safety protocols, contributing to Martin Marietta's reputation for reliability. The Division President also cultivates key client relationships and explores opportunities for business development. Podrazik's leadership is critical for the division's success and its contribution to the company's overall mission of supplying essential building materials.

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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 Kirk Light (President (Southwest Division)).
    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)), Kirk Light (President (Southwest Division)) 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 (Southwest Division), Division President, Division President.