ManTech International Executive and Leadership Team

August, 2026

Leadership Overview

ManTech International has 10 executives leading key functions including financial oversight, technological innovation, marketing strategy, digital transformation, and human capital management.

Focused on delivering advanced technological services to federal agencies, ManTech International drives mission-critical success through cyber security, data analytics, and enterprise infrastructure solutions across the United States government.

Leadership Roles at ManTech International

  • Chief Financial Officer - Michael Ruppert
  • Chief Financial Officer & Compliance Analyst - Justin Fuqua
  • Deputy Chief Operating Officer - Chad Boser
  • Chief Technology Officer - Morris Brown
  • Chief Marketing Officer - Sheila Blackwell
  • Chief Technology Officer, Digital - Marc Vandeveer
  • Chief Human Resources Officer - April Trent
  • Senior Vice President and Chief Technology Officer - Brandy Durham
  • Chief Marketing Officer, PSO - Laura Sargent
  • Scrum Master & Chief Technology Officer, Irad Team - Amitha Sabbani
  • Michael Ruppert - Chief Financial Officer

    Michael Ruppert, the Chief Financial Officer at ManTech International, directs all fiscal operations and capital allocation strategies. Managing the financial health of the organization, the Chief Financial Officer ensures rigorous compliance with federal contracting regulations while optimizing resource distribution for cyber security and data analytics projects. Ruppert oversees long-term financial planning, providing the necessary economic framework to support large-scale defense and intelligence contracts. By maintaining transparent reporting standards, the Chief Financial Officer facilitates trust with government stakeholders and shareholders alike. This leadership role involves balancing aggressive investment in software development with the maintenance of a stable balance sheet. Through precise fiscal management, Michael Ruppert secures the capital required for sustained growth in the federal civilian market. Ultimately, the Chief Financial Officer maintains the financial integrity of the entire enterprise, ensuring that every dollar spent advances the core mission of protecting national interests.
    Michael Ruppert

    Justin Fuqua - Chief Financial Officer & Compliance Analyst

    Justin Fuqua, the Chief Financial Officer & Compliance Analyst at ManTech International, oversees the intersection of financial reporting and regulatory adherence. Managing the complex requirements of federal contracting, the Chief Financial Officer & Compliance Analyst ensures that all financial activities align with government audit standards. Fuqua directs the analysis of fiscal data to identify potential risks and opportunities within the defense and intelligence markets. By implementing robust compliance frameworks, the Chief Financial Officer & Compliance Analyst protects the organization from regulatory exposure while maintaining financial transparency. This role involves providing detailed insights to the executive team regarding the financial implications of new contracts and operational changes. Justin Fuqua drives the integration of compliance into the financial planning process, ensuring that the company remains a trusted partner for federal agencies. Through meticulous attention to detail, the Chief Financial Officer & Compliance Analyst supports the long-term financial stability and ethical standing of the entire enterprise.

    Chad Boser - Deputy Chief Operating Officer

    Chad Boser, the Deputy Chief Operating Officer at ManTech International, manages the day-to-day execution of federal contracts and operational workflows. Overseeing the delivery of cyber security and enterprise IT services, the Deputy Chief Operating Officer ensures that all projects remain on schedule and within budget. Boser directs the operational teams responsible for maintaining the infrastructure that supports defense and intelligence missions. By optimizing internal processes, the Deputy Chief Operating Officer improves the efficiency of service delivery across the entire organization. This role involves coordinating with various department heads to ensure that operational goals align with the company's strategic vision. Chad Boser drives the implementation of best practices in project management, ensuring that the firm consistently meets the high expectations of government clients. Through rigorous oversight of operational activities, the Deputy Chief Operating Officer maintains the stability and reliability of the company's service offerings, directly supporting the success of national security programs.

    Morris Brown - Chief Technology Officer

    Morris Brown, the Chief Technology Officer at ManTech International, architects the overarching technical vision for complex federal systems. Overseeing the integration of advanced cyber security solutions, the Chief Technology Officer drives innovation across the defense and intelligence portfolios. Brown manages the research and development lifecycle, ensuring that all software and systems development aligns with the evolving requirements of government clients. By fostering collaboration between engineering teams and federal partners, the Chief Technology Officer accelerates the deployment of mission-critical data analytics tools. This role requires constant evaluation of emerging technologies to maintain a competitive edge in the federal IT landscape. Morris Brown leads the technical strategy, ensuring that infrastructure services remain resilient against sophisticated threats. Through the implementation of scalable architectures, the Chief Technology Officer supports the operational readiness of national security agencies, consistently delivering high-performance technological outcomes that define the company's market position.

    Sheila Blackwell - Chief Marketing Officer

    Sheila Blackwell, the Chief Marketing Officer at ManTech International, shapes the brand identity and market positioning within the federal civilian and defense sectors. Directing all outreach initiatives, the Chief Marketing Officer communicates the value of cyber security and enterprise IT services to key government decision-makers. Blackwell manages the strategic messaging that highlights the company's long-standing history of supporting national security missions. By analyzing market trends and competitive dynamics, the Chief Marketing Officer ensures that the organization remains the preferred partner for complex technological challenges. This leadership role involves coordinating with business development teams to capture new opportunities in the intelligence market. Sheila Blackwell drives the narrative of innovation, emphasizing the impact of data collection and analytics on federal operations. Through targeted campaigns and industry engagement, the Chief Marketing Officer strengthens the reputation of the firm, ensuring that the brand remains synonymous with reliability and technical excellence in the federal space.
    Sheila Blackwell

    Marc Vandeveer - Chief Technology Officer, Digital

    Marc Vandeveer, the Chief Technology Officer, Digital at ManTech International, leads the modernization of enterprise information technology infrastructure. Overseeing the transition to cloud-native environments, the Chief Technology Officer, Digital ensures that federal clients benefit from agile and secure digital platforms. Vandeveer manages the implementation of advanced software development lifecycles, focusing on automation and efficiency to support intelligence operations. By integrating digital transformation strategies, the Chief Technology Officer, Digital enables government agencies to process data with greater speed and accuracy. This role involves close collaboration with internal engineering teams to deploy cutting-edge tools that address the unique requirements of the defense market. Marc Vandeveer drives the adoption of modern digital practices, ensuring that the company remains at the forefront of technological advancement. Through the execution of complex digital projects, the Chief Technology Officer, Digital enhances the operational capabilities of federal partners, directly contributing to the success of national security initiatives.
    Marc Vandeveer

    April Trent - Chief Human Resources Officer

    April Trent, the Chief Human Resources Officer at ManTech International, manages the talent acquisition and workforce development strategies essential for supporting federal contracts. Overseeing the recruitment of specialized cyber security and systems engineering professionals, the Chief Human Resources Officer ensures that the organization maintains a highly skilled workforce capable of meeting rigorous government standards. Trent directs the implementation of training programs that keep employees updated on the latest technological advancements in the defense and intelligence sectors. By fostering a culture of excellence and compliance, the Chief Human Resources Officer supports the retention of top-tier talent across all operational regions. This leadership role involves aligning human capital strategies with the broader business objectives of the firm. April Trent drives initiatives that promote diversity and professional growth, ensuring that the company attracts the best minds in the industry. Through effective personnel management, the Chief Human Resources Officer sustains the human infrastructure required to deliver complex technological services.

    Brandy Durham - Senior Vice President and Chief Technology Officer

    Brandy Durham, the Senior Vice President and Chief Technology Officer at ManTech International, oversees the strategic deployment of advanced technological solutions across the federal civilian market. Managing the intersection of software development and systems integration, the Senior Vice President and Chief Technology Officer ensures that all technical deliverables meet the high-security requirements of government clients. Durham directs the research initiatives that fuel the company's cyber security and data analytics capabilities. By coordinating with cross-functional teams, the Senior Vice President and Chief Technology Officer aligns technical roadmaps with the evolving needs of the defense sector. This role involves providing high-level guidance on complex infrastructure projects, ensuring that every solution enhances the operational efficiency of federal agencies. Brandy Durham drives the technical strategy, fostering innovation that addresses the most pressing challenges in national security. Through the application of deep technical expertise, the Senior Vice President and Chief Technology Officer secures the company's position as a leader in federal technology services.

    Laura Sargent - Chief Marketing Officer, PSO

    Laura Sargent, the Chief Marketing Officer, PSO at ManTech International, leads the marketing efforts specifically tailored to the Professional Services Organization. Directing the outreach for management consulting and specialized IT services, the Chief Marketing Officer, PSO ensures that the company's expertise reaches the appropriate federal civilian and defense stakeholders. Sargent manages the development of collateral that highlights the unique value proposition of the firm's consulting capabilities. By analyzing the specific needs of government agencies, the Chief Marketing Officer, PSO crafts targeted strategies that drive engagement and contract acquisition. This role involves close collaboration with the broader marketing team to ensure brand consistency while focusing on the distinct requirements of the PSO division. Laura Sargent drives the growth of the consulting practice, emphasizing the impact of expert management on federal project success. Through strategic communication, the Chief Marketing Officer, PSO strengthens the firm's presence in the competitive landscape of federal professional services.

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

    Amitha Sabbani, the Scrum Master & Chief Technology Officer, Irad Team at ManTech International, directs the agile development processes for internal research and development projects. Overseeing the rapid prototyping of new cyber security and data analytics tools, the Scrum Master & Chief Technology Officer, Irad Team ensures that the development cycle remains efficient and responsive to emerging threats. Sabbani manages the Irad team's workflow, facilitating collaboration and removing obstacles to innovation. By applying scrum methodologies, the Scrum Master & Chief Technology Officer, Irad Team accelerates the transition from concept to deployable technology for federal clients. This role involves balancing technical leadership with project management to ensure that research efforts yield actionable results. Amitha Sabbani drives the development of next-generation solutions, keeping the company at the cutting edge of federal technology. Through the effective management of the Irad team, the Scrum Master & Chief Technology Officer, Irad Team fosters a culture of continuous improvement and rapid technological advancement.
    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 Michael Ruppert (Chief Financial Officer), along with executives such as Justin Fuqua (Chief Financial Officer & Compliance Analyst) and Chad Boser (Deputy Chief Operating Officer).
    Who is part of ManTech International’s executive team?
    The executive team of ManTech International includes leaders such as Michael Ruppert (Chief Financial Officer), Justin Fuqua (Chief Financial Officer & Compliance Analyst), Chad Boser (Deputy Chief Operating 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, Deputy Chief Operating Officer, Chief Technology Officer, Chief Marketing Officer.