Terrepower Executive and Leadership Team

October, 2026

Leadership Overview

Terrepower has 5 executives leading key functions including strategy, operations, underhood manufacturing, industrial sustainable manufacturing, and legal transactions.

Focused on advancing the circular economy, Terrepower delivers sustainable manufacturing solutions that extend component life and reduce industrial waste across global automotive and industrial markets.

Leadership Roles at Terrepower

  • Chief Executive Officer - Duncan Gillis
  • Chief Operating Officer - John Amyot
  • President, Underhood - Tony Croy
  • President, Industrial Sustainable Manufacturing - Alexandra Harrison
  • Chief Legal Officer & Global Executive VP, Transactions - Steven Mesarick
  • Duncan Gillis - Chief Executive Officer

    Duncan Gillis, the Chief Executive Officer at Terrepower, directs the overarching strategic vision for sustainable manufacturing across North American and European markets. Overseeing the integration of circular economy principles into automotive and industrial supply chains, the Chief Executive Officer ensures alignment between long-term growth objectives and environmental impact goals. This leadership role involves constant collaboration with the Board to optimize global manufacturing footprints and enhance product lifecycle value. By driving innovation in component refurbishment, Duncan Gillis directly influences the competitive positioning of the organization within the global automotive sector. Through rigorous oversight of corporate initiatives, Gillis secures the financial health and operational excellence required to maintain market leadership in over 90 countries. The Chief Executive Officer maintains a focus on scaling sustainable practices to meet the evolving demands of industrial clients worldwide.

    John Amyot - Chief Operating Officer

    John Amyot, the Chief Operating Officer at Terrepower, manages the daily execution of manufacturing processes and supply chain logistics across all international facilities. Overseeing the efficiency of production lines, the Chief Operating Officer ensures that sustainable manufacturing standards remain consistent throughout North American and European operations. This role involves coordinating with regional plant managers to streamline workflows and reduce waste in the production of critical automotive components. By implementing advanced operational metrics, John Amyot directly improves output quality and resource utilization. Amyot maintains a focus on optimizing the circular economy model to ensure that every manufactured product meets stringent durability requirements. The Chief Operating Officer drives continuous improvement initiatives to enhance operational agility, ensuring that the company remains responsive to the complex needs of the global automotive and industrial markets.

    Tony Croy - President, Underhood

    Tony Croy, the President, Underhood at Terrepower, leads the specialized division focused on the sustainable manufacturing of critical underhood automotive components. Overseeing product development and engineering teams, the President, Underhood ensures that all manufactured parts meet high-performance standards while supporting the company's commitment to waste reduction. This leadership role involves managing the technical lifecycle of complex engine and cooling systems to maximize component longevity. By driving innovation in refurbishment technologies, Tony Croy directly impacts the value delivered to automotive clients across global markets. Croy coordinates with cross-functional teams to align underhood product strategies with broader corporate sustainability goals. The President, Underhood maintains a focus on expanding the reach of these specialized manufacturing services, ensuring that the division remains a cornerstone of the company's circular economy strategy in the competitive automotive landscape.

    Alexandra Harrison - President, Industrial Sustainable Manufacturing

    Alexandra Harrison, the President, Industrial Sustainable Manufacturing at Terrepower, architects the strategic expansion of sustainable manufacturing solutions within the broader industrial sector. Overseeing the development of specialized processes for non-automotive industrial components, the President, Industrial Sustainable Manufacturing ensures that the company's circular economy expertise translates into tangible value for diverse industrial clients. This role involves identifying new market opportunities across North America and Europe to scale the impact of sustainable manufacturing. By driving the adoption of advanced refurbishment techniques, Alexandra Harrison directly contributes to the reduction of industrial waste and the extension of critical asset lifecycles. Harrison collaborates with engineering and sales leadership to tailor manufacturing services to specific industrial requirements. The President, Industrial Sustainable Manufacturing maintains a focus on long-term growth, ensuring that the division effectively supports the company's mission of delivering high-quality, sustainable products globally.
    Alexandra Harrison
    Steven Mesarick, the Chief Legal Officer & Global Executive VP, Transactions at Terrepower, manages all legal frameworks and complex corporate transactions across the company's international operations. Overseeing regulatory compliance and risk management, the Chief Legal Officer & Global Executive VP, Transactions ensures that all business activities align with international standards in North America and Europe. This role involves structuring strategic partnerships and acquisitions that support the company's growth in the sustainable manufacturing sector. By providing legal oversight for global transactions, Steven Mesarick directly protects the intellectual property and operational interests of the organization. Mesarick coordinates with the executive team to navigate the legal complexities of operating in over 90 countries. The Chief Legal Officer & Global Executive VP, Transactions maintains a focus on mitigating risk while facilitating the seamless execution of corporate strategy, ensuring the company remains legally sound and operationally secure.

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    Frequently Asked Questions Regarding Terrepower Top Executives and Leadership Team

    Who leads Terrepower?
    Terrepower is led by Duncan Gillis (Chief Executive Officer), along with executives such as John Amyot (Chief Operating Officer) and Tony Croy (President, Underhood).
    Who is part of Terrepower’s executive team?
    The executive team of Terrepower includes leaders such as Duncan Gillis (Chief Executive Officer), John Amyot (Chief Operating Officer), Tony Croy (President, Underhood) and other senior executives.
    How many executives does Terrepower have?
    Terrepower has 5 executives leading key business areas.
    What roles are included in Terrepower’s leadership team?
    The leadership team of Terrepower includes roles such as Chief Executive Officer, Chief Operating Officer, President, Underhood, President, Industrial Sustainable Manufacturing, Chief Legal Officer & Global Executive VP, Transactions.