International Executive and Leadership Team

July, 2026

Leadership Overview

International has 9 executives leading key functions including strategy, operations, technology, and market expansion.

Driven by a commitment to sustainable mobility, International accelerates the impact of cleaner, safer transportation solutions through its commercial vehicles, engines, and aftermarket parts.

Leadership Roles at International

  • Chief Executive Officer - Troy Clarke
  • President & Chief Executive Officer - Mathias Carlbaum
  • Chairman & CEO - Alawi Taqi
  • President - Sean Zarrinkouh
  • President - Keith Griffin
  • President - Caroline McGee
  • Chief Technology Officer - Catrina Mitchell-Adegbemi
  • Executive Planner and Advisor To Chief Technology Officer - Dino Muftic
  • Director, Information Technology of Cost Alignment & Chief Information Officer, Assignments - Rex Baldwin
  • Director and Chief of Staff - Cybersecurity Services - Fumi Collier
  • Troy Clarke - Chief Executive Officer

    Troy Clarke, the Chief Executive Officer at International, directs the overarching strategy and operational execution for the company's commercial vehicle and engine manufacturing. Clarke guides the organization's vision to accelerate sustainable mobility, ensuring alignment with global environmental and safety standards. This leadership involves optimizing production processes for International trucks and engines, alongside the development of Fleetrite aftermarket parts. Clarke's focus remains on enhancing customer uptime and productivity through innovative solutions. The Chief Executive Officer's role encompasses driving financial performance and market positioning within the competitive commercial vehicle sector. Clarke ensures the company's strategic initiatives directly contribute to a cleaner, safer world.

    Mathias Carlbaum - President & Chief Executive Officer

    Mathias Carlbaum, the President & Chief Executive Officer at International, spearheads the company's strategic direction and global operations, focusing on delivering enhanced uptime and productivity for commercial vehicle customers. Carlbaum oversees the manufacturing of International trucks, engines, and IC Bus school and commercial buses, alongside the development of Fleetrite aftermarket parts. This executive drives the vision for sustainable mobility, ensuring International's products contribute to a cleaner, safer world. Carlbaum's leadership involves fostering innovation across all business units, from vehicle design to engine technology. The President & Chief Executive Officer's responsibilities include cultivating strong customer relationships and expanding market reach. Carlbaum ensures operational excellence and financial health across the enterprise.

    Alawi Taqi - Chairman & CEO

    Alawi Taqi, the Chairman & CEO at International, provides executive oversight and strategic leadership for the company's comprehensive portfolio of commercial vehicles, engines, and aftermarket parts. Taqi guides the organization's commitment to accelerating sustainable mobility, ensuring International's operations contribute to a cleaner and safer global environment. This role involves setting the long-term vision for product development, including International trucks, engines, and IC Bus school and commercial buses. Taqi's leadership ensures that Fleetrite aftermarket parts enhance customer uptime and productivity. The Chairman & CEO's responsibilities extend to fostering innovation and maintaining International's market leadership. Taqi drives strategic decisions that impact the company's growth and its contribution to societal well-being.

    Sean Zarrinkouh - President

    Sean Zarrinkouh, the President at International, drives strategic initiatives and operational performance across key business segments, focusing on enhancing customer uptime and productivity. Zarrinkouh oversees critical functions related to the manufacturing and distribution of International trucks, engines, and IC Bus school and commercial buses. This leadership role is instrumental in advancing the company's vision for sustainable mobility and contributing to a cleaner, safer world. The President's responsibilities include fostering innovation in product development and ensuring the quality of Fleetrite aftermarket parts. Sean Zarrinkouh works to strengthen market presence and cultivate strong relationships with customers and partners. Zarrinkouh's leadership ensures operational excellence and supports the company's long-term growth objectives.
    Sean Zarrinkouh

    Keith Griffin - President

    Keith Griffin, the President at International, directs significant operational areas, focusing on delivering enhanced productivity and uptime for customers utilizing International's commercial vehicles and engines. Griffin oversees strategic planning and execution for key product lines, including International trucks and IC Bus school and commercial buses. This executive role is vital in advancing the company's commitment to sustainable mobility and creating a cleaner, safer world. The President's responsibilities encompass driving market growth and ensuring the quality and reliability of Fleetrite aftermarket parts. Keith Griffin collaborates with cross-functional teams to implement innovative solutions and maintain International's competitive edge. Griffin's leadership ensures operational efficiency and supports the company's overarching business objectives.

    Caroline McGee - President

    Caroline McGee, the President at International, leads strategic operations and market development, emphasizing increased uptime and productivity for customers of commercial vehicles and engines. McGee directs efforts related to the manufacturing and enhancement of International trucks, engines, and IC Bus school and commercial buses. This executive role is central to promoting sustainable mobility and contributing to a cleaner, safer global environment. The President's responsibilities include overseeing the development and distribution of Fleetrite aftermarket parts, ensuring superior customer support. Caroline McGee fosters innovation and drives operational excellence across the organization. McGee's leadership ensures that International remains at the forefront of the commercial vehicle industry, meeting evolving market demands.

    Catrina Mitchell-Adegbemi - Chief Technology Officer

    Catrina Mitchell-Adegbemi, the Chief Technology Officer at International, architects the company's technological vision and innovation roadmap, driving advancements in sustainable mobility solutions. Mitchell-Adegbemi oversees the integration of cutting-edge technologies into International trucks, engines, and IC Bus school and commercial buses, enhancing performance and environmental impact. This leadership role ensures that Fleetrite aftermarket parts leverage advanced engineering for maximum customer uptime and productivity. The Chief Technology Officer's focus includes developing next-generation powertrains and vehicle systems that contribute to a cleaner, safer world. Mitchell-Adegbemi collaborates across departments to foster a culture of technological excellence and drive digital transformation. Catrina Mitchell-Adegbemi ensures technology investments align with the company's mission and market demands.
    Catrina Mitchell-Adegbemi

    Dino Muftic - Executive Planner and Advisor To Chief Technology Officer

    Dino Muftic, the Executive Planner and Advisor To Chief Technology Officer at International, provides critical strategic counsel and planning support to the Chief Technology Officer, focusing on advancing sustainable mobility initiatives. Muftic assists in evaluating and integrating new technologies for International trucks, engines, and IC Bus school and commercial buses, ensuring alignment with the company's vision for a cleaner, safer world. This advisory role involves detailed analysis of market trends and technological opportunities to enhance customer uptime and productivity. Muftic contributes to the development of long-term technology roadmaps and supports the execution of key innovation projects. The Executive Planner and Advisor To Chief Technology Officer's input helps shape the future direction of International's product development and operational efficiency. Dino Muftic plays a key part in translating technological concepts into actionable business strategies.

    Rex Baldwin - Director, Information Technology of Cost Alignment & Chief Information Officer, Assignments

    Rex Baldwin, the Director, Information Technology of Cost Alignment & Chief Information Officer, Assignments at International, manages critical IT functions related to cost alignment and assignment processes across the organization. Baldwin oversees the implementation and maintenance of information technology systems that support operational efficiency and financial accuracy for International trucks, engines, and IC Bus school and commercial buses. This role ensures that IT infrastructure effectively supports the development of Fleetrite aftermarket parts and enhances customer uptime. The Director, Information Technology of Cost Alignment & Chief Information Officer, Assignments's responsibilities include optimizing IT resource allocation and driving cost-effective technology solutions. Rex Baldwin contributes to the company's strategic goals by ensuring robust and reliable IT operations that align with the mission of sustainable mobility.
    Rex Baldwin

    Fumi Collier - Director and Chief of Staff - Cybersecurity Services

    Fumi Collier, the Director and Chief of Staff - Cybersecurity Services at International, leads the strategic development and implementation of comprehensive cybersecurity measures to protect the company's digital assets and operations. Collier ensures the security of sensitive data related to International trucks, engines, and IC Bus school and commercial buses, as well as Fleetrite aftermarket parts development. This leadership role is crucial for maintaining customer trust and safeguarding intellectual property in the pursuit of sustainable mobility. The Director and Chief of Staff - Cybersecurity Services's responsibilities include managing cybersecurity risks, responding to threats, and ensuring compliance with industry regulations. Fumi Collier works closely with other executive leaders to integrate robust security protocols across all business functions, contributing to a safer operational environment.

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    Frequently Asked Questions Regarding International Top Executives and Leadership Team

    Who leads International?
    International is led by Troy Clarke (Chief Executive Officer), along with executives such as Mathias Carlbaum (President & Chief Executive Officer) and Alawi Taqi (Chairman & CEO).
    Who is part of International’s executive team?
    The executive team of International includes leaders such as Troy Clarke (Chief Executive Officer), Mathias Carlbaum (President & Chief Executive Officer), Alawi Taqi (Chairman & CEO) and other senior executives.
    How many executives does International have?
    International has 10 executives leading key business areas.
    What roles are included in International’s leadership team?
    The leadership team of International includes roles such as Chief Executive Officer, President & Chief Executive Officer, Chairman & CEO, President, President.