CACI International Executive and Leadership Team

May, 2026

Leadership Overview

CACI International has 10 executives leading key functions including strategy, operations, technology, and human resources.

Driven by a commitment to national security, CACI International leverages advanced technology and expertise to modernize government operations and support critical missions across defense, intelligence, and federal civilian sectors.

Leadership Roles at CACI International

  • President & Chief Executive Officer - John Mengucci
  • Chief of Staff - Jailene Hinebaugh
  • Principal Architect & Chief Technology Officer, Optics & Systems, Office - Maxim Bolshtyansky
  • Contractor Support To DON Chief Information Officer - Steven Daughety
  • C-Suite Executive Assistant, Chief Human Resources Officer - Jennifer LaFollette
  • Vice President - Chief Technology Officer for Digital Solutions - Joseph Nicoletti
  • Software Engineer & Chief Information Officer, Lead Office of Dod, Governance Directive - C. Holliday-Graham
  • Senior Vice President, Growth and Innovation, Chief Technology Officer - Michael Mourelatos
  • Deputy Chief Technology Officer, Caci Digital Solutions - William Colangelo
  • Executive Vice President & Chief Human Resources Officer - Marjorie Bailey
  • John Mengucci - President & Chief Executive Officer

    John Mengucci, the President & Chief Executive Officer at CACI International, directs the company's overall strategic vision and operational execution. Overseeing both domestic and international segments, Mengucci ensures CACI's technology solutions and expertise effectively support national security missions and government modernization efforts. This leadership role involves driving growth across the intelligence, defense, and federal civilian sectors, aligning business objectives with client needs. By fostering innovation and operational excellence, John Mengucci guides the enterprise in delivering advanced information solutions and C4ISR capabilities. The Chief Executive Officer's mandate includes expanding market presence and enhancing CACI's position as a trusted partner for complex government challenges, ultimately securing long-term enterprise value and mission success.
    John Mengucci

    Jailene Hinebaugh - Chief of Staff

    Jailene Hinebaugh, the Chief of Staff at CACI International, provides critical operational and strategic support to executive leadership. This role involves managing key initiatives, facilitating cross-functional collaboration, and ensuring efficient execution of company-wide projects. Hinebaugh's responsibilities extend to streamlining internal processes and enhancing communication channels across departments, directly impacting the company's ability to deliver on its mission for national security clients. By coordinating efforts between various CACI divisions, the Chief of Staff ensures alignment with the strategic objectives set forth by the President & Chief Executive Officer. This position is vital for maintaining organizational agility and driving forward CACI's commitment to technological advancement and client service in the defense and intelligence communities.

    Maxim Bolshtyansky - Principal Architect & Chief Technology Officer, Optics & Systems, Office

    Maxim Bolshtyansky, the Principal Architect & Chief Technology Officer, Optics & Systems, Office at CACI International, architects advanced technological solutions for complex defense and intelligence systems. This leadership position focuses on developing cutting-edge optics and systems architecture, directly contributing to CACI's capabilities in national security missions. Bolshtyansky's expertise drives innovation in areas such as C4ISR and advanced sensor technologies, ensuring CACI remains at the forefront of technological development. By defining technical roadmaps and overseeing system design, Maxim Bolshtyansky ensures that CACI's offerings meet the rigorous demands of government modernization and transformation initiatives. The Chief Technology Officer's work is fundamental to CACI's ability to provide sophisticated, high-performance solutions to its enterprise and mission customers.

    Steven Daughety - Contractor Support To DON Chief Information Officer

    Steven Daughety, the Contractor Support To DON Chief Information Officer at CACI International, provides essential technical and strategic guidance for the Department of the Navy's information technology infrastructure. This critical role involves ensuring the effective implementation and management of IT solutions that support naval operations and national security objectives. Daughety's contributions are vital to modernizing the DON's digital capabilities and enhancing cybersecurity defenses. By advising on IT governance and strategic planning, Steven Daughety directly influences the technological direction and operational efficiency of the Navy's information systems. This position underscores CACI's commitment to supporting key government agencies with specialized expertise in complex IT environments.

    Jennifer LaFollette - C-Suite Executive Assistant, Chief Human Resources Officer

    Jennifer LaFollette, the C-Suite Executive Assistant, Chief Human Resources Officer at CACI International, provides comprehensive administrative and operational support to the Chief Human Resources Officer. This role is integral to managing the human capital strategy and ensuring the smooth functioning of HR operations across the enterprise. LaFollette facilitates communication and coordination within the HR department and across other CACI divisions, supporting initiatives related to talent acquisition, employee development, and organizational culture. By managing executive schedules and critical HR projects, Jennifer LaFollette contributes to CACI's ability to attract, retain, and develop a skilled workforce essential for national security missions. This support is key to maintaining CACI's operational effectiveness and employee engagement.

    Joseph Nicoletti - Vice President - Chief Technology Officer for Digital Solutions

    Joseph Nicoletti, the Vice President - Chief Technology Officer for Digital Solutions at CACI International, spearheads the development and implementation of innovative digital technologies. This leadership position focuses on advancing CACI's digital transformation capabilities, serving clients in the intelligence, defense, and federal civilian sectors. Nicoletti's expertise drives the creation of solutions in areas such as cloud computing, data analytics, and artificial intelligence, enhancing CACI's offerings in digital solutions. By defining the technical strategy for digital services, Joseph Nicoletti ensures that CACI provides state-of-the-art capabilities that meet evolving government modernization needs. This role is crucial for maintaining CACI's competitive edge and delivering impactful digital transformation for national security missions.

    C. Holliday-Graham - Software Engineer & Chief Information Officer, Lead Office of Dod, Governance Directive

    C. Holliday-Graham, the Software Engineer & Chief Information Officer, Lead Office of Dod, Governance Directive at CACI International, directs critical information technology initiatives within the Department of Defense. This dual role combines deep software engineering expertise with strategic IT governance leadership, ensuring compliance and operational effectiveness. Holliday-Graham oversees the implementation of IT systems and policies that adhere to stringent defense directives, supporting national security missions. By architecting robust software solutions and managing IT infrastructure, C. Holliday-Graham enhances the DoD's technological capabilities and data security. This position is pivotal in driving digital transformation and ensuring the integrity of information systems for defense operations.

    Michael Mourelatos - Senior Vice President, Growth and Innovation, Chief Technology Officer

    Michael Mourelatos, the Senior Vice President, Growth and Innovation, Chief Technology Officer at CACI International, drives the company's technological advancement and strategic growth initiatives. This executive role focuses on identifying emerging technologies and fostering innovation to enhance CACI's service offerings for national security and government modernization. Mourelatos leads efforts to develop new solutions and expand market opportunities, ensuring CACI remains a leader in the technology consulting sector. By championing innovation and overseeing the integration of advanced technologies, Michael Mourelatos directly contributes to CACI's competitive advantage and its ability to address complex client challenges. This leadership is essential for sustained growth and technological leadership.

    William Colangelo - Deputy Chief Technology Officer, Caci Digital Solutions

    William Colangelo, the Deputy Chief Technology Officer, Caci Digital Solutions at CACI International, supports the strategic direction and execution of digital transformation initiatives. This role involves collaborating with clients to implement advanced digital solutions that enhance operational efficiency and mission effectiveness within the defense and federal civilian sectors. Colangelo's focus is on leveraging technologies such as cloud, AI, and data analytics to solve complex challenges for government agencies. By assisting the Chief Technology Officer, William Colangelo ensures the delivery of cutting-edge digital services that align with CACI's commitment to innovation and client success. This contribution is vital for advancing CACI's digital capabilities and supporting national security objectives.

    Marjorie Bailey - Executive Vice President & Chief Human Resources Officer

    Marjorie Bailey, the Executive Vice President & Chief Human Resources Officer at CACI International, directs the company's comprehensive human capital strategy and operations. This senior leadership role is responsible for talent acquisition, employee development, compensation, benefits, and fostering a positive organizational culture across CACI's global workforce. Bailey ensures that CACI attracts, retains, and develops the skilled personnel necessary to support national security missions and government modernization efforts. By aligning HR policies with business objectives, Marjorie Bailey plays a crucial part in CACI's ability to deliver exceptional service and maintain its position as an employer of choice. This leadership is fundamental to CACI's operational success and sustained growth.

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    Frequently Asked Questions Regarding CACI International Top Executives and Leadership Team

    Who leads CACI International?
    CACI International is led by John Mengucci (President & Chief Executive Officer), along with executives such as Jailene Hinebaugh (Chief of Staff) and Maxim Bolshtyansky (Principal Architect & Chief Technology Officer, Optics & Systems, Office).
    Who is part of CACI International’s executive team?
    The executive team of CACI International includes leaders such as John Mengucci (President & Chief Executive Officer), Jailene Hinebaugh (Chief of Staff), Maxim Bolshtyansky (Principal Architect & Chief Technology Officer, Optics & Systems, Office) and other senior executives.
    How many executives does CACI International have?
    CACI International has 10 executives leading key business areas.
    What roles are included in CACI International’s leadership team?
    The leadership team of CACI International includes roles such as President & Chief Executive Officer, Chief of Staff, Principal Architect & Chief Technology Officer, Optics & Systems, Office, Contractor Support To DON Chief Information Officer, C-Suite Executive Assistant, Chief Human Resources Officer.