Mack Trucks Executive and Leadership Team

July, 2026

Leadership Overview

Mack Trucks has 7 executives leading key functions including finance, human resources, operations, and regional leadership.

Driven by a legacy of innovation, Mack Trucks is dedicated to manufacturing heavy-duty trucks, engines, and transmission products, shaping the future of commercial transportation with robust engineering and a commitment to operational excellence.

Leadership Roles at Mack Trucks

  • Chief Financial Officer - Mike Vanuti
  • President, Mack Trucks (North America) - Jonathan Randall
  • Vic. President - Gary Penner
  • President - Wilson Lirmann
  • President - Scott Morris
  • Chief Human Resources Officer - Maye Clark
  • Chief Operations Officer - Brad Mcmahon
  • Mike Vanuti - Chief Financial Officer

    Mike Vanuti, the Chief Financial Officer at Mack Trucks, directs all financial planning, accounting, and reporting functions. Vanuti oversees the company's fiscal health, managing budgets, investments, and financial risk to ensure sustainable growth and profitability. This leadership role involves strategic financial decision-making, aligning capital allocation with the company's manufacturing objectives for heavy-duty trucks, engines, and transmission products. By optimizing financial operations, Mike Vanuti supports the company's market position and drives operational efficiency across all departments. Vanuti's oversight ensures compliance with financial regulations and enhances shareholder value through sound fiscal management.

    Jonathan Randall - President, Mack Trucks (North America)

    Jonathan Randall, the President, Mack Trucks (North America) at Mack Trucks, directs the company's strategic initiatives and market presence throughout the North American region. Randall oversees sales, marketing, and distribution networks, driving revenue growth and expanding market share for heavy-duty trucks, engines, and transmission products. This leadership role involves forging strong customer relationships and ensuring the brand's continued success in key markets. By implementing targeted regional strategies, Jonathan Randall enhances operational performance and customer satisfaction across the continent. Randall's focus on market dynamics ensures Mack Trucks remains a leader in the North American commercial vehicle sector.

    Gary Penner - Vic. President

    Gary Penner, the Vic. President at Mack Trucks, supports executive leadership in driving key business objectives. Penner contributes to strategic planning and operational oversight, focusing on enhancing the company's manufacturing capabilities for heavy-duty trucks, engines, and transmission products. This role involves collaborating with various departments to ensure alignment with corporate goals and market demands. By providing critical insights and support, Gary Penner aids in the execution of initiatives that strengthen Mack Trucks' industry position. Penner's involvement is crucial for maintaining operational momentum and fostering innovation within the organization.

    Wilson Lirmann - President

    Wilson Lirmann, the President at Mack Trucks, spearheads the company's overall strategic direction and global operations. Lirmann guides the organization in its mission to manufacture advanced heavy-duty trucks, engines, and transmission products, ensuring market leadership and sustained innovation. This executive position involves overseeing all major business functions, fostering cross-departmental collaboration, and driving the company's long-term vision. By championing new technologies and market opportunities, Wilson Lirmann enhances Mack Trucks' competitive advantage. Lirmann's leadership is pivotal in navigating industry challenges and capitalizing on growth prospects worldwide.
    Wilson Lirmann

    Scott Morris - President

    Scott Morris, the President at Mack Trucks, directs critical aspects of the company's strategic growth and operational efficiency. Morris focuses on enhancing the manufacturing and delivery of heavy-duty trucks, engines, and transmission products, ensuring alignment with market demands and customer expectations. This leadership role involves driving initiatives that improve product quality and expand market reach. By fostering a culture of continuous improvement, Scott Morris contributes significantly to Mack Trucks' reputation for excellence. Morris's oversight ensures that operational strategies effectively support the company's financial objectives and long-term sustainability.

    Maye Clark - Chief Human Resources Officer

    Maye Clark, the Chief Human Resources Officer at Mack Trucks, architects the company's talent strategy and organizational development. Clark leads all human resources operations, including recruitment, employee relations, compensation, and benefits, ensuring a skilled and motivated workforce. This role is critical for fostering a positive work environment that supports the manufacturing of heavy-duty trucks, engines, and transmission products. By developing robust HR policies, Maye Clark ensures alignment with Mack Trucks' operational goals and commitment to employee well-being. Clark's strategic initiatives enhance workforce productivity and support the company's long-term success in the automotive manufacturing sector.

    Brad Mcmahon - Chief Operations Officer

    Brad Mcmahon, the Chief Operations Officer at Mack Trucks, drives operational excellence across all manufacturing and supply chain activities. Mcmahon oversees the production of heavy-duty trucks, engines, and transmission products, ensuring efficiency, quality, and timely delivery. This position involves optimizing production processes, managing plant operations, and implementing innovative manufacturing technologies to enhance output. By streamlining operations, Brad Mcmahon directly impacts the company's ability to meet market demand and maintain its competitive edge. Mcmahon's leadership ensures the seamless integration of production schedules with sales forecasts, supporting Mack Trucks' reputation for reliability and performance.

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    Frequently Asked Questions Regarding Mack Trucks Top Executives and Leadership Team

    Who leads Mack Trucks?
    Mack Trucks is led by Mike Vanuti (Chief Financial Officer), along with executives such as Jonathan Randall (President, Mack Trucks (North America)) and Gary Penner (Vic. President).
    Who is part of Mack Trucks’s executive team?
    The executive team of Mack Trucks includes leaders such as Mike Vanuti (Chief Financial Officer), Jonathan Randall (President, Mack Trucks (North America)), Gary Penner (Vic. President) and other senior executives.
    How many executives does Mack Trucks have?
    Mack Trucks has 7 executives leading key business areas.
    What roles are included in Mack Trucks’s leadership team?
    The leadership team of Mack Trucks includes roles such as Chief Financial Officer, President, Mack Trucks (North America), Vic. President, President, President.