Amentum Services Executive and Leadership Team

July, 2026

Leadership Overview

Amentum has 10 executives leading key functions including operations, technology, finance, and marketing.

Driven by undaunted curiosity, Amentum Services addresses complex challenges in science, security, and sustainability, applying innovative technology solutions to global issues.

Leadership Roles at Amentum Services

  • Group Chief Financial Officer & Senior VP, Finance - Paul Pheeny
  • Chief Operating Officer - Stephen Arnette
  • Chief Operating Officer, Hsetraining Development - Monica Ingle
  • Chief Technology Officer - Mike. Regan
  • Chief Information Officer - Scott Schuetz
  • Enterprise IT Chief of Staff - Martin Wohlgemuth
  • Chief Marketing Officer, Trianer - Gregory Owens
  • Vice President and Chief Technology Officer - Intelligence and Cyber - Adi Karisik
  • Senior Vice President, Chief of Staff - Joseph Ruffolo
  • IT Chief Information Officer & Vice President - Joe Walker
  • Paul Pheeny - Group Chief Financial Officer & Senior VP, Finance

    Paul Pheeny, the Group Chief Financial Officer & Senior VP, Finance at Amentum Services, directs the company's comprehensive financial strategy and operations, ensuring fiscal health and sustainable growth. Pheeny oversees all aspects of financial planning, analysis, and reporting, providing critical insights that guide Amentum's investments in advanced engineering and technology solutions. This leadership position is instrumental in managing the financial implications of complex projects in science, security, and sustainability for the United States and its allies. The Group Chief Financial Officer & Senior VP, Finance ensures adherence to rigorous financial standards, optimizing resource allocation to support Amentum's mission and commitments to safety, collaboration, and well-being. Paul Pheeny's expertise is vital for navigating the financial landscape, driving profitability, and supporting Amentum's ambition to challenge convention. By maintaining strong financial discipline, Pheeny directly enables the company's continued progress and market leadership.

    Stephen Arnette - Chief Operating Officer

    Stephen Arnette, the Chief Operating Officer at Amentum Services, directs the company's extensive operational activities, ensuring seamless execution of complex projects across science, security, and sustainability sectors. Arnette oversees the integration of advanced engineering and technology solutions, aligning daily operations with Amentum's core mission of addressing significant global challenges for the United States and its allies. This leadership role involves optimizing resource allocation and driving operational efficiencies to support the company's commitment to safety, collaboration, and well-being. By focusing on the practical application of innovative strategies, Stephen Arnette ensures that Amentum consistently delivers on its promises, maintaining a high standard of performance and client satisfaction. The Chief Operating Officer's purview extends to managing large-scale initiatives, fostering a culture of continuous improvement, and guaranteeing that all operational facets contribute directly to Amentum's strategic objectives and market leadership.
    Stephen Arnette

    Monica Ingle - Chief Operating Officer, Hsetraining Development

    Monica Ingle, the Chief Operating Officer, Hsetraining Development at Amentum Services, spearheads the operational strategy and execution for health, safety, environment, and training development initiatives. Ingle ensures that Amentum's commitment to safety, collaboration, and well-being is deeply embedded within its operational frameworks and training programs. This leadership function is critical for maintaining high standards across all projects, particularly those involving advanced engineering and technology solutions for science, security, and sustainability. The Chief Operating Officer, Hsetraining Development oversees the development and delivery of essential training, fostering a culture of continuous improvement and operational excellence. Monica Ingle's focus on robust safety protocols and effective training directly supports Amentum's mission to address complex challenges for the United States and its allies. By prioritizing safety and development, Ingle ensures Amentum operates responsibly and drives progress effectively.

    Mike. Regan - Chief Technology Officer

    Mike. Regan, the Chief Technology Officer at Amentum Services, architects the company's technological vision and innovation strategy, driving advancements in science, security, and sustainability solutions. Regan is responsible for identifying and implementing cutting-edge technologies that address the most complex challenges faced by Amentum's clients, including governmental bodies and allied nations. This role demands a deep understanding of emerging technological trends and their application to real-world problems, ensuring Amentum maintains its leadership in advanced engineering. The Chief Technology Officer guides research and development efforts, fostering a culture of relentless ambition and boundless imagination among technical teams. Mike. Regan's leadership ensures that Amentum's technological capabilities remain at the forefront, enabling the company to challenge convention and drive progress in critical sectors. By championing innovation, Regan directly supports Amentum's commitment to delivering impactful and sustainable solutions.

    Scott Schuetz - Chief Information Officer

    Scott Schuetz, the Chief Information Officer at Amentum Services, directs the strategic development and implementation of information technology infrastructure and systems across the organization. Schuetz ensures that Amentum's IT operations effectively support its global mission in advanced engineering and technology solutions, particularly in science, security, and sustainability. This involves safeguarding sensitive data, enhancing cybersecurity measures, and optimizing digital workflows to foster collaboration and well-being among employees. The Chief Information Officer plays a crucial part in leveraging technology to drive efficiency and innovation, enabling Amentum to address complex challenges for the United States and its allies. Scott Schuetz's leadership focuses on building robust, scalable IT solutions that empower Amentum's workforce and enhance its competitive edge in the market. By maintaining a secure and advanced technological foundation, Schuetz directly contributes to Amentum's operational excellence and its ability to challenge convention.
    Scott Schuetz

    Martin Wohlgemuth - Enterprise IT Chief of Staff

    Martin Wohlgemuth, the Enterprise IT Chief of Staff at Amentum Services, provides critical support and strategic alignment for the company's information technology initiatives. Wohlgemuth works closely with the Chief Information Officer and other IT leaders to ensure technology strategies effectively support Amentum's mission in advanced engineering and innovative solutions for science, security, and sustainability. This role involves facilitating communication across IT departments, managing key projects, and driving operational improvements to enhance collaboration and well-being. The Enterprise IT Chief of Staff plays a vital role in translating high-level IT objectives into actionable plans, ensuring seamless execution and resource optimization. Martin Wohlgemuth's contributions are essential for maintaining the integrity and effectiveness of Amentum's IT infrastructure, supporting its work with the United States and its allies. By streamlining IT operations and fostering strategic partnerships, Wohlgemuth directly contributes to Amentum's ability to challenge convention and drive progress.

    Gregory Owens - Chief Marketing Officer, Trianer

    Gregory Owens, the Chief Marketing Officer, Trianer at Amentum Services, leads the development and execution of comprehensive marketing strategies to enhance Amentum's brand presence and market penetration. Owens is responsible for communicating the company's value proposition in advanced engineering and innovative technology solutions, particularly its role in addressing complex challenges in science, security, and sustainability for the United States and its allies. This role involves understanding market dynamics, identifying growth opportunities, and crafting compelling narratives that resonate with key stakeholders. The Chief Marketing Officer, Trianer drives initiatives that foster brand recognition and support business development objectives, ensuring Amentum's message of undaunted curiosity and relentless ambition is effectively conveyed. Gregory Owens's leadership ensures that Amentum's contributions to challenging convention and driving progress are clearly articulated to the global market. By shaping Amentum's public image, Owens directly supports the company's strategic goals and its commitment to well-being.

    Adi Karisik - Vice President and Chief Technology Officer - Intelligence and Cyber

    Adi Karisik, the Vice President and Chief Technology Officer - Intelligence and Cyber at Amentum Services, directs technological innovation and strategy within the critical intelligence and cyber domains. Karisik is responsible for developing and implementing advanced solutions that address the complex security challenges faced by Amentum's clients, including governmental agencies and allied nations. This specialized role demands expertise in cutting-edge technologies related to intelligence gathering, analysis, and cybersecurity defense. The Vice President and Chief Technology Officer - Intelligence and Cyber drives research and development efforts, ensuring Amentum's capabilities remain superior in safeguarding sensitive information and countering evolving threats. Adi Karisik's leadership is pivotal in maintaining Amentum's reputation for delivering reliable and innovative solutions in high-stakes environments. By advancing intelligence and cyber technologies, Karisik directly supports Amentum's mission to enhance national security and drive progress.

    Joseph Ruffolo - Senior Vice President, Chief of Staff

    Joseph Ruffolo, the Senior Vice President, Chief of Staff at Amentum Services, provides strategic leadership and operational support across key organizational functions, ensuring alignment with Amentum's overarching mission. Ruffolo collaborates closely with executive leadership to drive initiatives in advanced engineering and technology solutions, focusing on science, security, and sustainability challenges. This role involves facilitating communication, managing critical projects, and optimizing operational effectiveness to support Amentum's work with the United States and its allies. The Senior Vice President, Chief of Staff plays a crucial part in translating strategic objectives into tangible outcomes, fostering a culture of collaboration and well-being. Joseph Ruffolo's contributions are essential for maintaining momentum on complex endeavors and ensuring Amentum consistently challenges convention. By enhancing organizational efficiency and strategic execution, Ruffolo directly supports Amentum's commitment to driving progress and delivering impactful solutions.

    Joe Walker - IT Chief Information Officer & Vice President

    Joe Walker, the IT Chief Information Officer & Vice President at Amentum Services, oversees the strategic direction and operational management of the company's information technology infrastructure and services. Walker ensures that Amentum's IT systems robustly support its global operations in advanced engineering and innovative technology solutions, particularly in science, security, and sustainability. This leadership position is critical for maintaining cybersecurity, optimizing data management, and enhancing digital collaboration across the organization. The IT Chief Information Officer & Vice President drives the adoption of new technologies to improve efficiency and support Amentum's mission for the United States and its allies. Joe Walker's focus on technological advancement and operational integrity directly contributes to Amentum's ability to address complex challenges and drive progress. By ensuring a secure and effective IT environment, Walker underpins Amentum's commitment to innovation and well-being.

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    Frequently Asked Questions Regarding Amentum Services Top Executives and Leadership Team

    Who leads Amentum Services?
    Amentum Services is led by Paul Pheeny (Group Chief Financial Officer & Senior VP, Finance), along with executives such as Stephen Arnette (Chief Operating Officer) and Monica Ingle (Chief Operating Officer, Hsetraining Development).
    Who is part of Amentum Services’s executive team?
    The executive team of Amentum Services includes leaders such as Paul Pheeny (Group Chief Financial Officer & Senior VP, Finance), Stephen Arnette (Chief Operating Officer), Monica Ingle (Chief Operating Officer, Hsetraining Development) and other senior executives.
    How many executives does Amentum Services have?
    Amentum Services has 10 executives leading key business areas.
    What roles are included in Amentum Services’s leadership team?
    The leadership team of Amentum Services includes roles such as Group Chief Financial Officer & Senior VP, Finance, Chief Operating Officer, Chief Operating Officer, Hsetraining Development, Chief Technology Officer, Chief Information Officer.