The Greenbrier Companies Executive and Leadership Team

November, 2026

Leadership Overview

The Greenbrier Companies has 6 executives leading key functions including strategy, operations, human capital, financial management, regional business development, and railroad equipment logistics.

Focused on delivering innovative railcar solutions, The Greenbrier Companies maintains a commitment to engineering excellence and sustainable transportation infrastructure across global markets.

Leadership Roles at The Greenbrier Companies

  • Chief Executive Officer & President - Lorie Tekorius
  • Senior Vice President, Chief Financial Officer - Michael Donfris
  • Chief Operating Officer, The (Americas) - William Krueger
  • Executive VP & President (The Americas) - Brian Comstock
  • President, Railroad Operations & Equipment, GCC Region - Gary Griffiths
  • Senior Vice President, Chief Human Resources Officer - Laurie Dornan
  • Lorie Tekorius - Chief Executive Officer & President

    Lorie Tekorius, the Chief Executive Officer & President at The Greenbrier Companies, directs the overarching corporate strategy and long-term vision for the organization. Overseeing the integration of manufacturing, maintenance, and leasing segments, the Chief Executive Officer & President ensures alignment with global market demands for freight rail equipment. This leadership role involves constant collaboration with the Board to drive sustainable growth and operational efficiency across North American, European, and South American territories. By prioritizing innovation in railcar design and manufacturing, Lorie Tekorius directly influences the competitive positioning of the firm within the industrial machinery sector. Tekorius maintains a focus on expanding the fleet management portfolio while optimizing the manufacturing footprint to meet the evolving needs of railroads and shippers. Ultimately, the Chief Executive Officer & President secures the financial health and market leadership of the enterprise through disciplined capital allocation and strategic expansion initiatives.
    Lorie Tekorius

    Michael Donfris - Senior Vice President, Chief Financial Officer

    Michael Donfris, the Senior Vice President, Chief Financial Officer at The Greenbrier Companies, manages the financial architecture and fiscal health of the organization. Overseeing the reporting, treasury, and risk management functions, the Senior Vice President, Chief Financial Officer ensures the company maintains the liquidity required to support extensive manufacturing and leasing operations. This leadership role involves providing critical financial analysis to the Board and executive team regarding the profitability of the Leasing & Management Services segment. By monitoring the performance of the 13,400-railcar fleet, Michael Donfris optimizes capital deployment and per diem lease revenue streams. Donfris maintains a focus on maintaining strong relationships with institutional investors and financial institutions to facilitate ongoing growth. Through rigorous financial oversight and strategic planning, the Senior Vice President, Chief Financial Officer secures the resources necessary for the firm to continue designing and marketing advanced railroad freight car equipment globally.
    Michael Donfris

    William Krueger - Chief Operating Officer, The (Americas)

    William Krueger, the Chief Operating Officer, The (Americas) at The Greenbrier Companies, manages the complex manufacturing and maintenance workflows across the Western Hemisphere. Overseeing the production of diverse railcar types, including covered hoppers, tank cars, and intermodal equipment, the Chief Operating Officer, The (Americas) drives operational excellence within the manufacturing segment. This role involves streamlining the reconditioning of wheels, axles, and cushioning units to ensure high-quality output for railcar repair networks. By coordinating with regional plant managers, William Krueger optimizes production cycles and supply chain logistics to meet the rigorous requirements of North American shippers and carriers. Krueger maintains a focus on scaling manufacturing capacity while upholding safety and quality standards across all facilities. Through the implementation of lean manufacturing principles, the Chief Operating Officer, The (Americas) enhances the overall productivity and profitability of the regional industrial operations.

    Brian Comstock - Executive VP & President (The Americas)

    Brian Comstock, the Executive VP & President (The Americas) at The Greenbrier Companies, drives the commercial strategy and market expansion efforts throughout the Americas. Overseeing the sales and marketing of the full suite of railcar products, the Executive VP & President (The Americas) ensures that the company meets the specific transportation needs of railroads, shippers, and leasing companies. This leadership role involves managing complex client relationships and identifying new opportunities for sustainable railcar conversions and intermodal equipment adoption. By analyzing regional market trends, Brian Comstock aligns the product portfolio with the evolving logistics requirements of the North American and South American transportation sectors. Comstock maintains a focus on increasing market share through targeted business development and customer-centric service models. Through the execution of these commercial initiatives, the Executive VP & President (The Americas) directly contributes to the revenue growth and market penetration of the organization's diverse manufacturing and maintenance offerings.
    Brian Comstock

    Gary Griffiths - President, Railroad Operations & Equipment, GCC Region

    Gary Griffiths, the President, Railroad Operations & Equipment, GCC Region at The Greenbrier Companies, directs the specialized operations and equipment deployment within the designated regional market. Overseeing the maintenance management and logistics services for regional railroads and carriers, the President, Railroad Operations & Equipment, GCC Region ensures the seamless integration of railcar repair and refurbishment services. This leadership role involves managing the technical requirements for wheel services and railcar cushioning units to maintain high operational standards. By coordinating with local logistics partners, Gary Griffiths optimizes fleet management and accounting services for institutional clients. Griffiths maintains a focus on delivering reliable, high-performance equipment solutions that address the unique infrastructure challenges of the region. Through the management of these critical operational functions, the President, Railroad Operations & Equipment, GCC Region supports the overall efficiency and service reliability of the company's global railcar maintenance and management network.
    Gary Griffiths

    Laurie Dornan - Senior Vice President, Chief Human Resources Officer

    Laurie Dornan, the Senior Vice President, Chief Human Resources Officer at The Greenbrier Companies, architects the talent acquisition and organizational development strategies necessary to support a global workforce. Overseeing the alignment of human capital with the company's manufacturing and maintenance objectives, the Senior Vice President, Chief Human Resources Officer fosters a culture of safety, innovation, and operational efficiency. This leadership role involves designing comprehensive training programs for specialized railcar manufacturing roles and managing employee relations across diverse geographic regions. By implementing robust performance management systems, Laurie Dornan ensures that the workforce remains capable of executing the complex engineering tasks required for the production of tank cars and intermodal equipment. Dornan maintains a focus on leadership development and succession planning to sustain long-term organizational stability. Through strategic workforce planning, the Senior Vice President, Chief Human Resources Officer directly supports the operational scale and growth targets of the entire enterprise.

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    Frequently Asked Questions Regarding The Greenbrier Companies Top Executives and Leadership Team

    Who leads The Greenbrier Companies?
    The Greenbrier Companies is led by Lorie Tekorius (Chief Executive Officer & President), along with executives such as Michael Donfris (Senior Vice President, Chief Financial Officer) and William Krueger (Chief Operating Officer, The (Americas)).
    Who is part of The Greenbrier Companies’s executive team?
    The executive team of The Greenbrier Companies includes leaders such as Lorie Tekorius (Chief Executive Officer & President), Michael Donfris (Senior Vice President, Chief Financial Officer), William Krueger (Chief Operating Officer, The (Americas)) and other senior executives.
    How many executives does The Greenbrier Companies have?
    The Greenbrier Companies has 6 executives leading key business areas.
    What roles are included in The Greenbrier Companies’s leadership team?
    The leadership team of The Greenbrier Companies includes roles such as Chief Executive Officer & President, Senior Vice President, Chief Financial Officer, Chief Operating Officer, The (Americas), Executive VP & President (The Americas), President, Railroad Operations & Equipment, GCC Region.