Mack Trucks Executive and Leadership Team

August, 2026

Leadership Overview

Mack Trucks has 6 executives leading key functions including financial strategy, human capital management, operational efficiency, corporate leadership, regional market expansion, and administrative oversight.

Committed to engineering excellence, Mack Trucks delivers heavy-duty transportation solutions while maintaining a legacy of durability and innovation across the global manufacturing landscape.

Leadership Roles at Mack Trucks

  • Chief Financial Officer - Mike Vanuti
  • President - Wilson Lirmann
  • President, Mack Trucks (North America) - Jonathan Randall
  • Vic. President - Gary Penner
  • 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 fiscal planning and capital allocation strategies. Managing the financial health of the organization, the Chief Financial Officer oversees budgeting, forecasting, and long-term investment initiatives. This leadership role requires constant collaboration with the Board to ensure fiscal discipline across all manufacturing divisions. By optimizing cost structures and revenue streams, Mike Vanuti directly impacts the ability of the company to invest in advanced engine and transmission technologies. Vanuti monitors global market fluctuations to mitigate economic risks while supporting the expansion of heavy-duty truck production. Through rigorous financial analysis, the Chief Financial Officer maintains the stability necessary for sustained growth. Vanuti ensures that every dollar spent aligns with the core mission of delivering high-performance vehicles to customers worldwide. This strategic oversight remains vital for the continued success of the enterprise.

    Wilson Lirmann - President

    Wilson Lirmann, the President at Mack Trucks, architects the overarching corporate strategy and long-term vision for the organization. Overseeing the integration of all business units, the President drives the development of heavy-duty trucks and advanced engine technologies. This leadership role involves setting the strategic direction for global market penetration and brand positioning. By aligning the efforts of the executive team, Wilson Lirmann ensures that the company remains at the forefront of the manufacturing industry. Lirmann manages high-level stakeholder relationships and represents the interests of the organization to the broader market. The President evaluates emerging trends in transportation to guide product innovation and service expansion. Through decisive leadership, Lirmann fosters a culture of excellence and accountability. This executive function remains critical for navigating the complexities of the global automotive landscape while upholding the reputation for durability and performance that defines the company's historical legacy.
    Wilson Lirmann

    Jonathan Randall - President, Mack Trucks (North America)

    Jonathan Randall, the President, Mack Trucks (North America) at Mack Trucks, directs all regional sales, marketing, and customer support operations. Overseeing the North American market, the President, Mack Trucks (North America) ensures that the heavy-duty truck portfolio meets the specific needs of regional logistics and construction industries. This leadership role involves managing dealer networks and strengthening relationships with fleet operators across the continent. By analyzing regional demand, Jonathan Randall optimizes the distribution of trucks and transmission products. Randall works with the engineering teams to tailor product features to the unique requirements of the North American landscape. The President, Mack Trucks (North America) drives revenue growth through targeted marketing campaigns and superior service delivery. Through the execution of regional strategies, Randall maintains the market leadership of the brand. This focus on regional performance remains essential for the overall success of the company in the competitive North American heavy-duty vehicle sector.

    Gary Penner - Vic. President

    Gary Penner, the Vic. President at Mack Trucks, directs the administrative functions and internal governance protocols. Overseeing the compliance and regulatory frameworks, the Vic. President ensures that all manufacturing activities adhere to industry standards and safety mandates. This leadership role involves managing the internal reporting structures that support the executive team. By streamlining administrative processes, Gary Penner improves the overall efficiency of the corporate office. Penner coordinates with legal and quality assurance departments to mitigate operational risks. The Vic. President facilitates communication between the various business units to ensure alignment with the core mission of the company. Through the oversight of internal systems, Penner provides the necessary infrastructure for the successful production of heavy-duty trucks and engines. This administrative leadership remains vital for maintaining the integrity and operational continuity of the organization as it navigates the challenges of the modern manufacturing environment.

    Maye Clark - Chief Human Resources Officer

    Maye Clark, the Chief Human Resources Officer at Mack Trucks, architects the talent acquisition and organizational development strategies. Overseeing the workforce culture, the Chief Human Resources Officer drives initiatives focused on employee retention, leadership training, and safety standards across all manufacturing facilities. This role involves aligning human capital with the technical demands of producing heavy-duty trucks and engines. By fostering an inclusive environment, Maye Clark ensures that the company attracts top-tier engineering talent. Clark manages complex labor relations and organizational restructuring to maintain operational agility. The Chief Human Resources Officer works closely with other executives to integrate personnel goals with broader business objectives. Through the implementation of robust performance management systems, Clark supports the professional growth of the entire workforce. This leadership function remains essential for maintaining the high standards of quality and innovation that define the brand in the competitive manufacturing sector.

    Brad Mcmahon - Chief Operations Officer

    Brad Mcmahon, the Chief Operations Officer at Mack Trucks, directs the end-to-end manufacturing processes and supply chain logistics. Overseeing the production of heavy-duty trucks and transmission products, the Chief Operations Officer ensures maximum efficiency across all assembly lines. This leadership role involves coordinating with global suppliers to maintain a steady flow of components for the manufacturing of engines. By implementing lean manufacturing principles, Brad Mcmahon reduces waste and optimizes output quality. Mcmahon monitors operational metrics to identify bottlenecks and improve throughput in the production facilities. The Chief Operations Officer collaborates with the engineering teams to integrate new technologies into the assembly process. Through the management of large-scale industrial operations, Mcmahon secures the reliability of the product line. This focus on operational excellence allows the company to meet the rigorous demands of the North American and international markets while maintaining a competitive edge in the heavy-duty vehicle industry.

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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 Jonathan Randall (President, Mack Trucks (North America)).
    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), Jonathan Randall (President, Mack Trucks (North America)) 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, President, Mack Trucks (North America), Vic. President, Chief Human Resources Officer.