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.
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
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.
Steven Mesarick - Chief Legal Officer & Global Executive VP, Transactions
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.
Explore Leadership Teams in Automotive Parts
Lear Corporation designs, develops, engineers, manufactures, assembles, and supplies automotive seating, and electrical distribution systems and related components for automotive original equipment manufacturers in North America, Europe, Africa, Asia, and South America. Its Seating segment offers seat systems, seat subsystems, keyseat components, seat trim covers, seat mechanisms, seat foams, and headrests, as well as surface materials, such as leather and fabric for automobiles and light trucks, compact cars, pick-up trucks, and sport utility vehicles. The company's E-Systems segment provides electrical distribution and connection systems that route electrical signals and networks; and manage electrical power within the vehicle for various powertrains. This segment's products comprise wire harnesses, terminals and connectors, engineered components, and junction boxes; electronic system products, including body domain control modules, smart and passive junction boxes, gateway and communication modules, integrated power modules, and high voltage switching and power control systems. It also offers software and connected services comprising Xevo Market, an in-vehicle commerce and service platform; and software and services for the cloud, vehicles, and mobile devices. In addition, this segment provides cybersecurity software; advanced vehicle positioning for automated and autonomous driving applications; and short-range communication and cellular protocols for vehicle connectivity. It offers its products and services under the XEVO, GUILFORD, EAGLE OTTAWA, ConfigurE+, INTUTM, LEAR CONNEXUSTM, EXO, JOURNEYWARE, ProTec, SMART JUNCTION BOX, STRUCSURE, AVENTINO, and TeXstyle brands. Lear Corporation was founded in 1917 and is headquartered in Southfield, Michigan.
Company Leadership

JL
Cummins Inc., together with its subsidiaries, designs, manufactures, distributes, and services diesel and natural gas engines, and engine-related component products worldwide. It operates through Engine, Distribution, Components, and Power Systems segments. The Engine segment manufactures and markets a range of diesel and natural gas powered engines under the Cummins and other customer brand names for the heavy- and medium-duty truck, bus, recreational vehicle, light-duty automotive, construction, mining, marine, rail, oil and gas, defense, and agricultural markets. This segment also offers new parts and services, as well as remanufactured parts and engines. The Distribution segment distributes parts, engines, and power generation products; and provides service solutions, such as maintenance contracts, engineering services, and integrated products. The Components segment offers emission solutions, including custom engineering systems and integrated controls, oxidation catalysts, particulate filters, selective catalytic reduction systems, and engineered components; and turbochargers for light-duty, mid-range, heavy-duty, and high-horsepower diesel markets. This segment also provides air and fuel filters, fuel water separators, lube and hydraulic filters, coolants, fuel additives, and other filtration systems; and fuel systems for heavy-duty on-highway diesel engine applications, as well as remanufactures fuel systems. The Power Generation segment offers components that back-up and prime power generators, controls, paralleling systems, and transfer switches, as well as A/C generator/alternator products under the Stamford, AVK, and Markon brands. Cummins Inc. sells its products to original equipment manufacturers, dealers/distributors, and end users. The company was formerly known as Cummins Engine Company and changed its name to Cummins Inc. in 2001. Cummins Inc. was founded in 1919 and is headquartered in Columbus, IN.
Company Leadership JB
LS
LI
EN
DENSO TEN is a Japan-based company focused on designing and manufacturing advanced automotive electronics and infotainment systems, including in-vehicle audio, navigation, and communication technologies, along with select home audio solutions; as part of the broader DENSO group, it emphasizes the integration of mobility and information technologies to enhance driving safety, connectivity, and user experience, while maintaining a strong commitment to innovation, quality, and sustainable development in its products and solutions.
Company Leadership SN
MO
VS
PO
Autoline Industries Limited is a leading manufacturer of automotive sheet metal components in India, supplying to major OEMs such as Tata Motors, Volkswagen, and Ford. The company specializes in heavy sheet metal components and assemblies, including exhaust systems, pedal systems, and door assemblies, with a strong focus on design and engineering services. With multiple manufacturing facilities across India, Autoline is committed to delivering high-quality products while exceeding customer expectations. The company is ISO/TS 16949 certified and listed on the Bombay Stock Exchange and National Stock Exchange.
Company Leadership PM
MR
SW
GN