Mack Trucks Executive and Leadership Team

September, 2026

Leadership Overview

Mack Trucks has 6 executives leading key functions including financial strategy, human capital, manufacturing operations, corporate leadership, regional sales, and North American market expansion.

Renowned for heavy-duty engineering, Mack Trucks maintains a commitment to manufacturing excellence while driving innovation in engine and transmission technology across global markets.

Leadership Roles at Mack Trucks

  • Chief Financial Officer - Mike Vanuti
  • President - Wilson Lirmann
  • Vic. President - Gary Penner
  • President, Mack Trucks (North America) - Jonathan Randall
  • 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, manages all fiscal planning and capital allocation strategies. Overseeing the financial health of the organization, the Chief Financial Officer ensures rigorous budget adherence across manufacturing divisions. This leadership role involves analyzing market trends to optimize investment in heavy-duty truck production. By streamlining cost structures, Mike Vanuti directly impacts the long-term profitability of the company. The Chief Financial Officer coordinates with the board to maintain fiscal transparency while supporting the development of advanced transmission products. Through precise financial modeling, Vanuti secures the resources necessary for sustained industrial growth. This executive maintains a focus on maximizing shareholder value while balancing the capital-intensive requirements of the North American manufacturing sector. Ultimately, Vanuti drives the financial stability required to sustain the legacy of the brand in a competitive global market.

    Wilson Lirmann - President

    Wilson Lirmann, the President at Mack Trucks, directs the overarching corporate strategy and market positioning for the entire organization. Overseeing the executive team, the President ensures that all departments align with the mission of manufacturing superior heavy-duty trucks. This leadership role involves setting long-term goals for engine development and transmission innovation. By fostering partnerships with key stakeholders, Wilson Lirmann directly impacts the competitive standing of the company in the global market. The President coordinates with regional leaders to expand the reach of the brand while maintaining the core values of the business. Through decisive leadership, Lirmann navigates the complexities of the manufacturing industry to ensure sustainable growth. This executive monitors market shifts to adapt the product portfolio to evolving customer needs. Ultimately, Lirmann provides the vision and strategic direction required to maintain the status of the company as a premier manufacturer of heavy-duty vehicles.
    Wilson Lirmann

    Gary Penner - Vic. President

    Gary Penner, the Vic. President at Mack Trucks, directs the strategic initiatives related to specialized manufacturing components and engine technology. Overseeing the technical integration of transmission products, the Vic. President ensures that all engineering outputs meet the high standards of the brand. This leadership role involves managing cross-functional teams to accelerate the development of new heavy-duty truck features. By optimizing the design-to-production cycle, Gary Penner directly impacts the technological advancement of the fleet. The Vic. President collaborates with the operations team to implement innovative manufacturing techniques that improve vehicle performance. Through rigorous testing and validation, Penner secures the reliability of every engine produced. This executive focuses on maintaining the competitive edge of the company through continuous technical refinement and product innovation. Ultimately, Penner drives the engineering excellence that supports the reputation of the company for building durable and efficient heavy-duty trucks.

    Jonathan Randall - President, Mack Trucks (North America)

    Jonathan Randall, the President, Mack Trucks (North America) at Mack Trucks, directs all commercial activities and market expansion efforts across the North American region. Overseeing the sales and distribution networks, the President, Mack Trucks (North America) ensures that heavy-duty trucks reach customers with maximum efficiency. This leadership role involves analyzing regional market data to tailor product offerings to specific industry requirements. By strengthening dealer relationships, Jonathan Randall directly impacts the market share and brand presence in the region. The President, Mack Trucks (North America) coordinates with the manufacturing team to align production schedules with regional demand fluctuations. Through strategic outreach, Randall secures the position of the company as a preferred partner for logistics and construction firms. This executive manages the regional growth strategy to ensure consistent revenue performance. Ultimately, Randall drives the commercial success of the company by delivering high-quality trucks to the North American market.

    Maye Clark - Chief Human Resources Officer

    Maye Clark, the Chief Human Resources Officer at Mack Trucks, directs all talent acquisition and organizational development initiatives. Overseeing the workforce strategy, the Chief Human Resources Officer ensures alignment between employee capabilities and the manufacturing demands of heavy-duty vehicle production. This leadership role involves fostering a culture of safety and technical excellence across all facilities. By implementing comprehensive training programs, Maye Clark directly impacts the operational efficiency of the entire workforce. The Chief Human Resources Officer collaborates with department heads to cultivate a high-performance environment that supports the design and assembly of engines. Through strategic recruitment, Clark secures the specialized engineering talent required for future innovation. This executive manages labor relations and employee engagement to maintain productivity across the North American footprint. Ultimately, Clark builds the human capital foundation necessary for the company to remain a leader in the heavy-duty truck industry.

    Brad Mcmahon - Chief Operations Officer

    Brad Mcmahon, the Chief Operations Officer at Mack Trucks, architects the end-to-end manufacturing processes for heavy-duty trucks and engines. Overseeing global supply chain logistics, the Chief Operations Officer ensures seamless production flow from raw material procurement to final assembly. This leadership role involves optimizing factory throughput and maintaining rigorous quality control standards. By integrating advanced automation into the production line, Brad Mcmahon directly impacts the manufacturing output and delivery timelines. The Chief Operations Officer coordinates with engineering teams to refine transmission product designs for better performance. Through continuous process improvement, Mcmahon reduces waste and enhances operational agility across the North American manufacturing network. This executive manages the complex interplay between production capacity and market demand to ensure consistent product availability. Ultimately, Mcmahon drives the operational excellence that defines the reliability of the company in the heavy-duty vehicle sector.

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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 Wilson Lirmann (President) 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), Wilson Lirmann (President), Gary Penner (Vic. President) and other senior executives.
    How many executives does Mack Trucks have?
    Mack Trucks has 6 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, Vic. President, President, Mack Trucks (North America), Chief Human Resources Officer.