Leadership Team
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Jennifer Rumsey
Chair and CEO
Jennifer Rumsey became Chair and CEO of Cummins Inc., a global power leader that uniquely offers its customers a broad portfolio of power solutions that best meet their needs and powers their businesses, including diesel, natural gas, battery, fuel cells, electrolyzers, and related components, on August 1, 2023.
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Marvin Boakye
Chief Human Resources Officer
Marvin Boakye is the Chief Human Resources Officer at Cummins Inc., a global power technology leader based in Columbus, Indiana (USA). Since 2022, he has led the company’s human resources practices for 60,000 employees across 190 countries and territories.
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Jenny Bush
President, Power Systems Business
Jennifer (Jenny) Bush is President of the Cummins Power Systems Business, a global provider of energy solutions for consumer, industrial and mission critical applications that designs, manufactures, sells and supports a wide range of highspeed, high horsepower engines and power generation equipment. Jenny oversees a global, diversified business segment with sales of $4.4B in 2021 and more than 10,000 employees.
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Amy Davis
President, Accelera by Cummins and Components
Amy Davis is Vice President and President, Accelera by Cummins and Components. In this role, Amy leads Cummins’ newest business segment, Accelera, which is focused on zero-emissions technologies, and its largest business segment by revenue, Components.
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Bonnie Fetch
Executive Vice President and President, Operations
Bonnie Fetch serves as Executive Vice President and President – Operations for Cummins Inc. In this role, she oversees Cummins’ New and Recon Parts business, remanufacturing operations and the global operating functions including Supply Chain, IT, Cummins Services, Digital/Analytics and Quality to ensure they meet Cummins’ evolving business needs and position the Company for the future.
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John Gaidoo
Vice President, Chief Legal Officer
John Gaidoo is Vice President, Chief Legal Officer at Cummins Inc. In this role, he manages global legal services for Intellectual Property, Labor and Employment, Labor Relations, Mergers and Acquisitions, and Supply Chain. He advises Cummins senior executives and sits on the Cummins Leadership Team. He also manages the selection and evaluation of external legal service providers.
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Nicole Lamb-Hale
Chief Administrative Officer and Corporate Secretary
Nicole Y. Lamb-Hale is Chief Administrative Officer and Corporate Secretary of Cummins Inc. In this capacity, Lamb-Hale is an officer of the company reporting to the Chair and CEO and a member of the company’s global leadership team. Prior to her appointment as CAO in June 2025, she served as the company’s Chief Legal Officer. Lamb-Hale also serves on the board of directors of the Cummins Foundation.
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Brett Merritt
President, Engine Business
As president of the Engine Business (EBU), one of Cummins’ five business segments, Brett Merritt pushes the boundaries of customer-focused innovation to position Cummins as the leading powertrain supplier of choice in the transition to a net zero future. In 2023, the engine business generated over $11.7 billion in revenue and delivered 1.3 million engines to customers worldwide.
Over the course of his career, Brett has championed innovation, quality and the customer viewpoint. He is an authentic leader with a passion for teamwork, collaboration and strategic execution.
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Mark Smith
Chief Financial Officer
Mark Smith is the Vice President and Chief Financial Officer. In this role, he oversees the operations of Cummins’ business from a finance perspective and works with finance controllers to ensure that the company meets its operational and financial commitments. In addition, Mark also leads the Investor Relations, Business Planning and Analysis, and Capital Management functions at Cummins.
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Nathan Stoner
Vice President, China ABO
Nathan Stoner is Vice President – China ABO, with regional responsibility across Cummins’ business portfolio in China - including Engine, Components, Power Systems, Distribution, and New Power business units.
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Jeff Wiltrout
Vice President, Corporate Strategy
Jeff Wiltrout is the Vice President of Corporate Strategy at Cummins. In this role, Jeff oversees cross-functional efforts to define and develop the company’s strategic direction globally, including business development, partnerships, mergers, acquisitions and divestitures.
Prior to his current role, Jeff served as Executive Director of Corporate Development where he was responsible for leading the company’s merger, acquisition and partnership activities. Jeff joined Cummins in 2009 and has experience in strategy roles supporting Power Systems and Cummins Generator Technologies.
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Jonathan Wood
Chief Technical Officer
As Chief Technical Officer (CTO) at Cummins, Jon leads the global Technical organization and the Technical Leadership Team.
Working at Cummins since 1994, Jon’s career has been defined by his commitment to technical excellence and his caring leadership approach. His technical leadership experiences in the Components and New Power businesses have positioned him for success as CTO while Cummins continues to advance our strategy and develop innovative technologies and enhance our technical workforce and capabilities.
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Shon Wright
President, Distribution Business
Shon Wright is a Cummins Officer and President of the Cummins Distribution Business. He is an accomplished international business executive with a proven track record of success, bringing nearly thirty years of expertise in strategy, operations, sales and marketing. With a dynamic background spanning multiple business segments in the chemical, automotive and industrial manufacturing industries and notable achievements in executive roles, he offers valuable insights into strategic planning, international operations, supply chain management and risk management.