American Systems Executive and Leadership Team

August, 2026

Leadership Overview

American Systems has 6 executives leading key functions including financial strategy, information technology, operational management, cybersecurity, and enterprise systems engineering.

Committed to national security, American Systems delivers advanced engineering and mission support services to federal agencies, ensuring operational effectiveness through technical innovation and lifecycle management.

Leadership Roles at American Systems

  • Chief Financial Officer - Sister Reardon
  • Executive Vice President & Chief Financial Officer - Mark Danisewicz
  • Chief Operating Officer - Lauren Kilcoyne
  • Chief Information Officer - Srinivas Rautwar
  • Deputy Chief Information Officer, Ncte - Gregory Miller
  • Chief Information Security Officer & Chief Information Officer - Brian Brian Neely
  • Sister Reardon - Chief Financial Officer

    Sister Reardon, the Chief Financial Officer at American Systems, directs all fiscal planning and capital allocation strategies. Overseeing the financial health of the organization, the Chief Financial Officer ensures alignment with long-term government contracting goals. This leadership role involves managing complex budgetary requirements for defense and intelligence programs. By optimizing resource distribution, Sister Reardon directly impacts the company's ability to deliver mission-critical engineering and IT services. The Chief Financial Officer maintains rigorous compliance standards while supporting the broader growth objectives of the firm. Through careful oversight of financial reporting and risk management, Reardon secures the economic stability necessary for sustained federal partnership. This executive leadership ensures that American Systems remains a competitive, employee-owned entity capable of executing large-scale, high-stakes government projects across the United States.

    Mark Danisewicz - Executive Vice President & Chief Financial Officer

    Mark Danisewicz, the Executive Vice President & Chief Financial Officer at American Systems, oversees the overarching financial strategy and corporate governance of the firm. Directing long-term investment and fiscal policy, the Executive Vice President & Chief Financial Officer ensures that the company maintains the financial strength to support large-scale government contracts. This leadership role involves managing shareholder value and capital structure within the employee-owned model. By aligning financial performance with strategic growth objectives, Mark Danisewicz directly impacts the ability of the organization to pursue new federal opportunities. The Executive Vice President & Chief Financial Officer works closely with the Board to ensure transparency and regulatory compliance. Through disciplined financial oversight, Danisewicz secures the resources necessary for ongoing innovation in cybersecurity and systems engineering. This executive leadership ensures that American Systems remains a stable and reliable partner for national security clients.

    Lauren Kilcoyne - Chief Operating Officer

    Lauren Kilcoyne, the Chief Operating Officer at American Systems, manages the execution of large-scale engineering and mission support programs. Overseeing daily operations across the enterprise, the Chief Operating Officer ensures that service delivery meets the rigorous standards of defense and intelligence agencies. This leadership role involves coordinating cross-departmental efforts to maintain operational excellence and efficiency. By streamlining project management processes, Lauren Kilcoyne directly impacts the successful delivery of cybersecurity and systems engineering solutions. The Chief Operating Officer drives North American initiatives to expand the footprint of the company within the federal sector. Through consistent monitoring of program performance and resource utilization, Kilcoyne ensures that all contractual obligations are met with precision. This executive leadership supports the overall mission of American Systems by fostering a culture of technical expertise and reliable, high-quality service delivery.

    Srinivas Rautwar - Chief Information Officer

    Srinivas Rautwar, the Chief Information Officer at American Systems, architects the digital infrastructure supporting complex government operations. Overseeing enterprise IT and software development initiatives, the Chief Information Officer ensures that technology environments remain secure and reliable for defense and intelligence clients. This leadership role involves driving modernization efforts across federal civilian agencies to improve operational effectiveness. By implementing advanced data analytics and scalable systems, Srinivas Rautwar directly impacts the mission assurance capabilities of the organization. The Chief Information Officer collaborates with cross-functional teams to integrate cutting-edge solutions into existing government frameworks. Through strategic oversight of internal and external technology assets, Rautwar maintains the technical edge required for national security programs. This executive leadership ensures that American Systems delivers high-performance, secure, and resilient technology environments for all federal partners.
    Srinivas Rautwar

    Gregory Miller - Deputy Chief Information Officer, Ncte

    Gregory Miller, the Deputy Chief Information Officer, Ncte at American Systems, focuses on the specialized technical requirements of test and evaluation environments. Overseeing the integration of advanced systems within the NCTE framework, the Deputy Chief Information Officer, Ncte ensures that testing capabilities remain at the forefront of defense technology. This leadership role involves managing the technical infrastructure necessary for high-fidelity simulation and evaluation. By optimizing these critical systems, Gregory Miller directly impacts the readiness and effectiveness of national security programs. The Deputy Chief Information Officer, Ncte collaborates with engineering teams to refine data collection and analysis processes. Through rigorous oversight of technical standards, Miller maintains the integrity of complex evaluation environments. This executive leadership ensures that American Systems provides the robust, reliable, and secure testing platforms required by federal civilian and defense agencies.

    Brian Brian Neely - Chief Information Security Officer & Chief Information Officer

    Brian Brian Neely, the Chief Information Security Officer & Chief Information Officer at American Systems, leads the comprehensive cybersecurity and information technology strategy. Overseeing the protection of sensitive government data and the integrity of enterprise systems, the Chief Information Security Officer & Chief Information Officer ensures that all technology environments meet the highest security standards. This leadership role involves architecting robust defense mechanisms against evolving cyber threats. By integrating security protocols into every phase of software development and systems engineering, Brian Brian Neely directly impacts the mission assurance of federal clients. The Chief Information Security Officer & Chief Information Officer coordinates with national security agencies to maintain compliance and operational resilience. Through proactive threat management and infrastructure hardening, Neely secures the digital assets of the organization. This executive leadership ensures that American Systems delivers secure, reliable, and high-performance technology solutions.

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    Frequently Asked Questions Regarding American Systems Top Executives and Leadership Team

    Who leads American Systems?
    American Systems is led by Sister Reardon (Chief Financial Officer), along with executives such as Mark Danisewicz (Executive Vice President & Chief Financial Officer) and Lauren Kilcoyne (Chief Operating Officer).
    Who is part of American Systems’s executive team?
    The executive team of American Systems includes leaders such as Sister Reardon (Chief Financial Officer), Mark Danisewicz (Executive Vice President & Chief Financial Officer), Lauren Kilcoyne (Chief Operating Officer) and other senior executives.
    How many executives does American Systems have?
    American Systems has 6 executives leading key business areas.
    What roles are included in American Systems’s leadership team?
    The leadership team of American Systems includes roles such as Chief Financial Officer, Executive Vice President & Chief Financial Officer, Chief Operating Officer, Chief Information Officer, Deputy Chief Information Officer, Ncte.