ManTech International Executive and Leadership Team

May, 2026

Leadership Overview

ManTech International has 10 executives leading key functions including finance, marketing, technology, operations, and program management.

Driven by innovation, ManTech International provides advanced technological services to the United States government, focusing on cyber security, data analytics, and enterprise IT infrastructure to support federal civilian, defense, and intelligence markets.

Leadership Roles at ManTech International

  • Chief Financial Officer - Thomas Lerone
  • Chief Financial Officer & Compliance Analyst - Justin Fuqua
  • Executive Vice President & Chief Financial Officer - Michael Ruppert
  • Deputy Chief Operating Officer - Chad Boser
  • Chief Marketing Officer - Sheila Blackwell
  • Chief Technology Officer - Morris Brown
  • Deputy Chief Technology Officer & Director, Solutions, Digital Practice - Joseph McKinnon
  • Chief of Staff for NAVSEA Carriers - Patrick Murray
  • Deputy Director & Chief Information Officer, Office of - Caitlin Ray
  • Scrum Master & Chief Technology Officer, Irad Team - Amitha Sabbani
  • Thomas Lerone - Chief Financial Officer

    Thomas Lerone, the Chief Financial Officer at ManTech International, directs the company's financial strategy and operations. Lerone oversees all fiscal activities, including financial planning, risk management, and reporting, ensuring robust financial health and compliance with regulatory standards. This leadership role involves managing capital allocation, optimizing investment strategies, and driving profitability across ManTech's diverse service offerings in cyber security, data analytics, and IT infrastructure for government clients. By maintaining stringent financial controls and fostering efficient resource management, Thomas Lerone directly supports the company's mission to deliver advanced technological solutions to the United States government. Lerone's financial acumen is critical for sustaining growth and operational excellence in the competitive federal contracting landscape.
    Thomas Lerone

    Justin Fuqua - Chief Financial Officer & Compliance Analyst

    Justin Fuqua, the Chief Financial Officer & Compliance Analyst at ManTech International, manages the company's financial operations and ensures adherence to all regulatory and compliance standards. Fuqua oversees financial reporting, budgeting, and forecasting, while also implementing robust compliance frameworks across the organization. This dual role requires meticulous attention to detail in both financial management and legal adherence, particularly within the government contracting environment. Justin Fuqua works closely with internal teams and external auditors to maintain the highest standards of financial integrity and regulatory compliance. The Chief Financial Officer & Compliance Analyst's responsibilities are vital for mitigating risks and upholding ManTech's reputation for ethical business practices. Fuqua's oversight supports the company's mission in delivering secure and reliable technological services.

    Michael Ruppert - Executive Vice President & Chief Financial Officer

    Michael Ruppert, the Executive Vice President & Chief Financial Officer at ManTech International, holds a senior leadership position overseeing the company's comprehensive financial strategy and management. Ruppert directs all financial planning, accounting operations, and capital management, ensuring fiscal integrity and driving financial performance. This executive role involves close collaboration with the CEO and Board of Directors to guide strategic financial decisions, manage investor relations, and optimize profitability across ManTech's diverse service portfolio. Michael Ruppert's leadership is critical in navigating complex financial landscapes and supporting the company's expansion in cyber security, data analytics, and IT infrastructure services for government clients. Ruppert's financial oversight is fundamental to ManTech's sustained growth and operational excellence.
    Michael Ruppert

    Chad Boser - Deputy Chief Operating Officer

    Chad Boser, the Deputy Chief Operating Officer at ManTech International, supports the Chief Operating Officer in overseeing the company's day-to-day operational efficiency and effectiveness. Boser focuses on optimizing internal processes and resource allocation to ensure seamless delivery of technological services to government clients. This leadership position involves managing operational projects, implementing best practices, and driving continuous improvement across departments. Chad Boser collaborates with various teams to enhance service delivery in areas such as cyber security, data analytics, and IT infrastructure management. The Deputy Chief Operating Officer's role is critical in ensuring that ManTech operates with maximum efficiency and agility, supporting the company's growth and commitment to client satisfaction. Boser's operational expertise strengthens ManTech's service execution.

    Sheila Blackwell - Chief Marketing Officer

    Sheila Blackwell, the Chief Marketing Officer at ManTech International, shapes and executes the company's global marketing and communications strategy. Blackwell drives brand awareness, market positioning, and lead generation initiatives across the federal civilian, defense, and intelligence sectors. This role involves developing integrated marketing campaigns that highlight ManTech's expertise in cyber security, data analytics, and enterprise IT services. Blackwell collaborates with sales and technology teams to ensure marketing efforts align with business objectives and effectively communicate the value proposition to government clients. Overseeing market research and competitive analysis, the Chief Marketing Officer identifies emerging trends and opportunities to enhance ManTech's market presence. Sheila Blackwell's strategic vision is essential for expanding the company's reach and reinforcing its reputation as a leading technology solutions provider.

    Morris Brown - Chief Technology Officer

    Morris Brown, the Chief Technology Officer at ManTech International, leads the company's technological vision and innovation strategy. Brown directs the development and implementation of cutting-edge solutions in cyber security, data analytics, and enterprise IT services for government clients. This leadership position involves evaluating emerging technologies, fostering a culture of innovation, and ensuring ManTech's technical capabilities remain at the forefront of the industry. Overseeing research and development initiatives, the Chief Technology Officer guides the creation of advanced systems and software that address complex national security challenges. Morris Brown's technical expertise is crucial for driving the company's digital transformation efforts and delivering superior technological services to the federal civilian, defense, and intelligence markets. Brown ensures technological alignment with client needs and market demands.

    Joseph McKinnon - Deputy Chief Technology Officer & Director, Solutions, Digital Practice

    Joseph McKinnon, the Deputy Chief Technology Officer & Director, Solutions, Digital Practice at ManTech International, drives the development and delivery of innovative digital solutions. McKinnon supports the Chief Technology Officer in defining the company's technology roadmap and oversees the creation of advanced software and systems for government clients. This role focuses on architecting scalable and secure digital platforms that enhance cyber security, data analytics, and enterprise IT infrastructure services. Joseph McKinnon leads cross-functional teams in the digital practice, ensuring solutions meet the evolving needs of the federal civilian, defense, and intelligence markets. By translating complex technical requirements into actionable strategies, McKinnon plays a key part in ManTech's ability to deliver transformative digital capabilities. McKinnon's leadership ensures ManTech remains at the cutting edge of digital innovation.

    Patrick Murray - Chief of Staff for NAVSEA Carriers

    Patrick Murray, the Chief of Staff for NAVSEA Carriers at ManTech International, provides strategic support and operational coordination for critical naval programs. Murray works closely with leadership to align ManTech's technological services with the specific requirements of the Naval Sea Systems Command (NAVSEA) carrier programs. This role involves facilitating communication, managing key initiatives, and ensuring the effective execution of complex projects within the defense sector. Patrick Murray's responsibilities include driving program efficiencies, supporting strategic planning, and ensuring ManTech's solutions contribute directly to the success of naval operations. The Chief of Staff for NAVSEA Carriers plays a vital role in strengthening ManTech's partnership with the U.S. Navy, delivering specialized expertise in cyber security and IT infrastructure. Murray ensures seamless program integration and delivery.

    Caitlin Ray - Deputy Director & Chief Information Officer, Office of

    Caitlin Ray, the Deputy Director & Chief Information Officer, Office of at ManTech International, oversees the strategic management and implementation of information technology systems. Ray ensures that ManTech's IT infrastructure supports its mission of providing advanced technological services to the U.S. government. This leadership role involves directing IT operations, enhancing cyber security measures, and optimizing data management practices. Caitlin Ray collaborates with various departments to align technology initiatives with business objectives, focusing on improving efficiency and safeguarding sensitive information. The Deputy Director & Chief Information Officer's expertise is crucial for maintaining robust IT governance and supporting ManTech's growth in areas like data analytics and enterprise IT services. Ray drives technological advancement and information security.

    Amitha Sabbani - Scrum Master & Chief Technology Officer, Irad Team

    Amitha Sabbani, the Scrum Master & Chief Technology Officer, Irad Team at ManTech International, leads agile development processes and technological innovation for specific project teams. Sabbani guides the Irad (Independent Research and Development) team in adopting Scrum methodologies to accelerate the development of cutting-edge solutions. This dual role requires expertise in both agile project management and advanced technology strategy, particularly in cyber security and data analytics. Amitha Sabbani ensures that the Irad team's technological advancements align with ManTech's overall mission and client needs within the federal market. By fostering collaboration and efficient workflows, Sabbani drives the successful delivery of innovative projects. The Scrum Master & Chief Technology Officer's contributions are vital for ManTech's continuous technological evolution and competitive edge.
    Amitha Sabbani

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    Frequently Asked Questions Regarding ManTech International Top Executives and Leadership Team

    Who leads ManTech International?
    ManTech International is led by Thomas Lerone (Chief Financial Officer), along with executives such as Justin Fuqua (Chief Financial Officer & Compliance Analyst) and Michael Ruppert (Executive Vice President & Chief Financial Officer).
    Who is part of ManTech International’s executive team?
    The executive team of ManTech International includes leaders such as Thomas Lerone (Chief Financial Officer), Justin Fuqua (Chief Financial Officer & Compliance Analyst), Michael Ruppert (Executive Vice President & Chief Financial Officer) and other senior executives.
    How many executives does ManTech International have?
    ManTech International has 10 executives leading key business areas.
    What roles are included in ManTech International’s leadership team?
    The leadership team of ManTech International includes roles such as Chief Financial Officer, Chief Financial Officer & Compliance Analyst, Executive Vice President & Chief Financial Officer, Deputy Chief Operating Officer, Chief Marketing Officer.