Tenneco Executive and Leadership Team

June, 2026

Leadership Overview

Tenneco has 8 executives leading key functions including strategy, finance, human resources, and operations.

Driven by innovation, Tenneco is dedicated to advancing global mobility through technology solutions for a diverse range of automotive and industrial applications, impacting markets worldwide.

Leadership Roles at Tenneco

  • Chief Executive Officer - James Voss
  • Chief Financial Officer - Mahender Chhabra
  • Vice President Chief Financial Officer, Global Clean Air - Kevin Parlette
  • President, , Clean Air Power Train & Ignition Champion (Americas) - Alfredo Alonso
  • Chief Human Resources Officer - Darrell Whitney
  • Executive Vice President & Chief Human Resources Officer - Nancy Ostrander
  • EVP& Chief Administrative Officer - Jonathon Bagrosky
  • Director, Finance - Romeu Stefano
  • James Voss - Chief Executive Officer

    James Voss, the Chief Executive Officer at Tenneco, directs the company's overarching strategy and global operations. Voss guides Tenneco's mission to drive advancements in global mobility, ensuring technology solutions are delivered across light vehicle, commercial truck, off-highway, industrial, motorsport, and aftermarket sectors. This leadership involves aligning all business units, including DRiV, Performance Solutions, Clean Air, and Powertrain, towards achieving market leadership and sustained growth. Voss's strategic vision shapes the company's response to evolving industry demands and technological shifts. Overseeing the executive team, James Voss ensures cohesive execution of corporate objectives and fosters a culture of innovation essential for Tenneco's continued success in the automotive products market.
    James Voss

    Mahender Chhabra - Chief Financial Officer

    Mahender Chhabra, the Chief Financial Officer at Tenneco, oversees all financial activities and fiscal strategy for the global organization. Chhabra manages financial planning, reporting, treasury, and investor relations, ensuring robust financial health across Tenneco's diverse business segments. This role is critical in supporting the company's mission to deliver advanced technology solutions for original equipment and aftermarket customers. Chhabra's financial acumen guides investment decisions and resource allocation, directly impacting Tenneco's ability to innovate and expand its market presence. By maintaining stringent financial controls and driving operational efficiencies, Mahender Chhabra ensures the company's long-term profitability and shareholder value, supporting the strategic direction set by the Chief Executive Officer.
    Mahender Chhabra

    Kevin Parlette - Vice President Chief Financial Officer, Global Clean Air

    Kevin Parlette, the Vice President Chief Financial Officer, Global Clean Air at Tenneco, manages the financial operations and strategic planning for the Clean Air business segment. Parlette ensures financial discipline and drives profitability within this critical division, which focuses on emissions control technologies for vehicles. This role directly supports Tenneco's mission to deliver advanced technology solutions and maintain its leadership in automotive products. Parlette's financial oversight is essential for optimizing resource allocation and supporting innovation within the Clean Air group. By providing key financial insights and driving cost-effective strategies, Kevin Parlette contributes significantly to the overall financial performance and strategic goals of Tenneco's global operations.

    Alfredo Alonso - President, , Clean Air Power Train & Ignition Champion (Americas)

    Alfredo Alonso, the President, Clean Air Power Train & Ignition Champion (Americas) at Tenneco, leads the strategic direction and operational execution for these key business segments within the Americas region. Alonso drives market penetration and revenue growth, ensuring Tenneco's technology solutions meet the evolving needs of automotive and industrial customers. This leadership role is pivotal in advancing Tenneco's mission to innovate in global mobility. Alonso's focus on the Clean Air, Powertrain, and Ignition sectors directly supports the company's commitment to delivering high-performance automotive products. By championing these critical areas, Alfredo Alonso ensures Tenneco maintains its competitive advantage and leadership position across the Americas.

    Darrell Whitney - Chief Human Resources Officer

    Darrell Whitney, the Chief Human Resources Officer at Tenneco, leads all human capital strategies and organizational development initiatives. Whitney is responsible for talent acquisition, employee relations, compensation and benefits, and fostering a positive and productive work environment across Tenneco's global operations. This leadership function is vital for supporting the company's mission of driving advancements in global mobility by ensuring a skilled and engaged workforce. Whitney's focus on talent management directly contributes to the company's capacity for innovation and operational excellence in the automotive products sector. By developing and implementing effective HR policies, Darrell Whitney ensures Tenneco attracts and retains top talent, crucial for executing the company's strategic objectives.
    Darrell Whitney

    Nancy Ostrander - Executive Vice President & Chief Human Resources Officer

    Nancy Ostrander, the Executive Vice President & Chief Human Resources Officer at Tenneco, directs comprehensive human resources strategies and organizational effectiveness. Ostrander's responsibilities encompass talent development, workforce planning, and ensuring alignment between HR initiatives and Tenneco's business objectives. This role is fundamental to supporting the company's position as a leading designer and manufacturer of automotive products. Ostrander's leadership ensures that Tenneco's global workforce is equipped to drive advancements in mobility technology and meet the demands of original equipment and aftermarket customers. By cultivating a strong corporate culture and optimizing HR operations, Nancy Ostrander significantly contributes to Tenneco's operational success and sustained competitive advantage.
    Nancy Ostrander

    Jonathon Bagrosky - EVP& Chief Administrative Officer

    Jonathon Bagrosky, the EVP& Chief Administrative Officer at Tenneco, oversees a broad range of administrative functions critical to the company's operational efficiency. Bagrosky's purview includes managing key support services and ensuring the smooth execution of corporate policies across Tenneco's global footprint. This leadership position is integral to supporting the company's mission of delivering advanced automotive products and technology solutions. Bagrosky's administrative oversight ensures that Tenneco's infrastructure effectively supports its manufacturing and market-facing operations. By streamlining administrative processes and enhancing organizational effectiveness, Jonathon Bagrosky plays a vital role in enabling Tenneco to achieve its strategic objectives and maintain its competitive edge.

    Romeu Stefano - Director, Finance

    Romeu Stefano, the Director, Finance at Tenneco, manages critical financial operations and contributes to strategic financial planning. Stefano's responsibilities include overseeing financial reporting, budgeting, and analysis to support Tenneco's business objectives. This role is essential for ensuring the financial integrity and performance of the company's diverse product lines, including those within the DRiV and Powertrain groups. Stefano's financial expertise aids in resource allocation and drives efficiency across various operational units. By providing detailed financial insights and supporting key decision-making processes, Romeu Stefano contributes directly to Tenneco's sustained growth and market leadership in automotive components.

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    Frequently Asked Questions Regarding Tenneco Top Executives and Leadership Team

    Who leads Tenneco?
    Tenneco is led by James Voss (Chief Executive Officer), along with executives such as Mahender Chhabra (Chief Financial Officer) and Kevin Parlette (Vice President Chief Financial Officer, Global Clean Air).
    Who is part of Tenneco’s executive team?
    The executive team of Tenneco includes leaders such as James Voss (Chief Executive Officer), Mahender Chhabra (Chief Financial Officer), Kevin Parlette (Vice President Chief Financial Officer, Global Clean Air) and other senior executives.
    How many executives does Tenneco have?
    Tenneco has 8 executives leading key business areas.
    What roles are included in Tenneco’s leadership team?
    The leadership team of Tenneco includes roles such as Chief Executive Officer, Chief Financial Officer, Vice President Chief Financial Officer, Global Clean Air, President, , Clean Air Power Train & Ignition Champion (Americas), Chief Human Resources Officer.