Amentum Services Executive and Leadership Team

August, 2026

Leadership Overview

Amentum Services has 10 executives leading key functions including operations, information technology, engineering, finance, administration, marketing, intelligence, training, enterprise systems, and human resources.

Focused on delivering advanced engineering and innovative technology solutions, Amentum Services addresses complex global challenges in science, security, and sustainability through relentless ambition and collaborative expertise.

Leadership Roles at Amentum Services

  • Group Chief Financial Officer & Senior VP, Finance - Paul Pheeny
  • Chief Operating Officer - Steve Arnette
  • Chief Operating Officer, Hsetraining Development - Monica Ingle
  • Chief Information Officer - Luis German
  • Chief Technology Officer - Jill Bruning
  • Senior Vice President, Chief of Staff - Joseph Ruffolo
  • Chief Marketing Officer, Trianer - Gregory Owens
  • Vice President and Chief Technology Officer - Intelligence and Cyber - Adi Karisik
  • Enterprise IT Chief of Staff - Martin Wohlgemuth
  • Chief People Officer - Darren Burton
  • Paul Pheeny - Group Chief Financial Officer & Senior VP, Finance

    Paul Pheeny, the Group Chief Financial Officer & Senior VP, Finance at Amentum Services, manages the financial health and fiscal strategy of the entire organization. Pheeny oversees capital allocation, financial reporting, and long-term investment planning to support the company's growth in the global engineering and technology sectors. By maintaining rigorous financial controls, the Group Chief Financial Officer & Senior VP, Finance ensures that all business units operate with maximum efficiency and transparency. Paul Pheeny collaborates with the executive team to align financial resources with strategic priorities, enabling the successful execution of complex projects for government and commercial clients. This role involves monitoring market trends and economic conditions to mitigate risks and capitalize on new opportunities. Through disciplined financial management, Pheeny supports the company's commitment to safety and sustainability. Ultimately, the Group Chief Financial Officer & Senior VP, Finance provides the fiscal stability necessary for the organization to continue delivering innovative solutions to its partners.

    Steve Arnette - Chief Operating Officer

    Steve Arnette, the Chief Operating Officer at Amentum Services, directs all global operational activities to ensure the successful delivery of complex engineering and technology projects. Arnette oversees the execution of large-scale programs for government and commercial clients, maintaining rigorous safety and performance standards across all business units. By optimizing internal processes and resource allocation, the Chief Operating Officer drives operational efficiency and supports the company's commitment to sustainability. Steve Arnette manages cross-functional teams to align project outcomes with strategic objectives, ensuring that every initiative meets the high expectations of the United States and its allies. Through the implementation of scalable operational frameworks, Arnette strengthens the company's market position. This leadership role requires constant coordination with other executive leaders to maintain operational excellence, ultimately fostering long-term growth and stability for the organization while addressing critical security and infrastructure challenges on a global scale.
    Steve Arnette

    Monica Ingle - Chief Operating Officer, Hsetraining Development

    Monica Ingle, the Chief Operating Officer, Hsetraining Development at Amentum Services, manages the operational delivery of health, safety, and environmental training programs. Ingle oversees the development and implementation of training curricula that ensure all personnel adhere to the highest safety standards in the industry. By optimizing training processes and resource utilization, the Chief Operating Officer, Hsetraining Development drives operational excellence and supports the company's commitment to well-being. Monica Ingle collaborates with other operational leaders to integrate safety training into all engineering and technology projects, ensuring that safety remains integral to success. This role involves managing the delivery of training services to a diverse client base, including government and commercial entities. Through the continuous improvement of training methodologies, Ingle enhances the company's ability to address complex challenges in science and security. Ultimately, the Chief Operating Officer, Hsetraining Development ensures that the organization maintains a culture of safety and operational readiness.

    Luis German - Chief Information Officer

    Luis German, the Chief Information Officer at Amentum Services, architects the digital infrastructure and information security strategies necessary to support global engineering operations. German oversees the integration of advanced technology solutions that enable secure data management and efficient communication across all regional offices. By modernizing enterprise systems, the Chief Information Officer ensures that the organization remains at the forefront of technological innovation while protecting sensitive information for government and commercial partners. Luis German directs the IT department to align digital capabilities with the broader mission of addressing complex security and science challenges. This role involves managing cybersecurity protocols and digital transformation initiatives that enhance operational agility. Through the strategic deployment of robust IT platforms, German supports the company's commitment to safety and well-being. Ultimately, the Chief Information Officer provides the technological foundation required for the company to deliver high-impact solutions to its diverse client base.
    Luis German

    Jill Bruning - Chief Technology Officer

    Jill Bruning, the Chief Technology Officer at Amentum Services, leads the development of innovative engineering solutions and technical strategies that define the company's market impact. Bruning oversees research and development initiatives, ensuring that the organization applies undaunted curiosity to solve the most significant challenges in science and security. By fostering a culture of technical excellence, the Chief Technology Officer drives the creation of advanced systems that support sustainability and infrastructure goals. Jill Bruning collaborates with other executive leaders to integrate cutting-edge technology into every project, maintaining the company's reputation as a global leader in engineering. This leadership role involves identifying emerging trends and translating them into actionable business opportunities. Through the application of relentless ambition, Bruning ensures that the company remains competitive in a rapidly evolving technological landscape. Ultimately, the Chief Technology Officer secures the organization's future by advancing the boundaries of what is possible in engineering and technology.
    Jill Bruning

    Joseph Ruffolo - Senior Vice President, Chief of Staff

    Joseph Ruffolo, the Senior Vice President, Chief of Staff at Amentum Services, coordinates strategic initiatives and facilitates communication across the executive leadership team. Ruffolo oversees the implementation of corporate policies and ensures that all departments remain aligned with the company's core mission of addressing complex challenges in science and security. By streamlining internal operations and managing high-priority projects, the Senior Vice President, Chief of Staff drives organizational cohesion and efficiency. Joseph Ruffolo acts as a primary liaison between the executive office and various business units, ensuring that strategic goals are communicated and executed effectively. This role involves managing the flow of information and resources to support the company's commitment to collaboration and well-being. Through the oversight of key administrative functions, Ruffolo enables the leadership team to focus on long-term growth and market impact. Ultimately, the Senior Vice President, Chief of Staff ensures that the organization operates as a unified force in the engineering and technology industry.

    Gregory Owens - Chief Marketing Officer, Trianer

    Gregory Owens, the Chief Marketing Officer, Trianer at Amentum Services, directs the brand strategy and market positioning for the company's specialized training and engineering services. Owens oversees the development of marketing campaigns that highlight the organization's expertise in science, security, and sustainability. By analyzing market trends and client needs, the Chief Marketing Officer, Trianer ensures that the company's value proposition resonates with government and commercial partners. Gregory Owens manages the communication of the company's commitment to safety and innovation, strengthening its reputation as a global leader. This role involves coordinating with business development teams to expand the company's reach and influence in key markets. Through the strategic use of digital and traditional media, Owens drives brand awareness and supports the company's growth objectives. Ultimately, the Chief Marketing Officer, Trianer plays a vital role in shaping the public perception of the organization and ensuring that its unique capabilities are recognized by stakeholders worldwide.

    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, leads the technical strategy for intelligence and cybersecurity operations. Karisik oversees the development of advanced solutions designed to protect critical infrastructure and support national security missions. By integrating cutting-edge cyber defense mechanisms, the Vice President and Chief Technology Officer - Intelligence and Cyber ensures that the company remains a trusted partner for the United States and its allies. Adi Karisik manages a team of experts focused on identifying and mitigating complex threats in the digital domain. This role involves collaborating with other technology leaders to ensure that intelligence capabilities are seamlessly integrated into the company's broader engineering portfolio. Through the application of relentless ambition and technical expertise, Karisik drives progress in the field of cyber security. Ultimately, the Vice President and Chief Technology Officer - Intelligence and Cyber secures the organization's position as a leader in intelligence and cyber solutions.

    Martin Wohlgemuth - Enterprise IT Chief of Staff

    Martin Wohlgemuth, the Enterprise IT Chief of Staff at Amentum Services, coordinates the strategic operations and administrative functions of the enterprise information technology department. Wohlgemuth oversees the execution of IT initiatives that support the company's global engineering and technology infrastructure. By facilitating communication between IT leadership and other business units, the Enterprise IT Chief of Staff ensures that technology investments are aligned with the company's mission of addressing complex challenges. Martin Wohlgemuth manages the planning and implementation of enterprise-wide systems, driving efficiency and collaboration across the organization. This role involves monitoring project progress and resource allocation to ensure that IT goals are met on time and within budget. Through the oversight of key administrative processes, Wohlgemuth enables the IT team to focus on delivering innovative solutions that support the company's growth. Ultimately, the Enterprise IT Chief of Staff ensures that the organization's digital infrastructure remains robust, secure, and capable of supporting its global operations.

    Darren Burton - Chief People Officer

    Darren Burton, the Chief People Officer at Amentum Services, directs the human resources strategy and talent management initiatives for the entire organization. Burton oversees recruitment, professional development, and employee engagement programs that foster a culture of safety, collaboration, and well-being. By implementing policies that attract and retain top-tier talent, the Chief People Officer ensures that the company has the human capital necessary to address complex challenges in science and security. Darren Burton collaborates with the executive team to align workforce capabilities with the company's strategic goals, driving progress through the collective ambition of its people. This role involves managing performance management systems and diversity initiatives that promote an inclusive and high-performing work environment. Through the strategic management of human resources, Burton supports the company's commitment to its employees and its mission. Ultimately, the Chief People Officer ensures that the organization remains a preferred employer for the best minds in engineering and technology.
    Darren Burton

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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 Steve 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), Steve 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 Information Officer, Chief Technology Officer.