Defense Information Systems Agency Executive and Leadership Team

May, 2026

Leadership Overview

Defense Information Systems Agency has 10 executives leading key functions including strategy, technology, finance, operations, information systems, and support.

Driven by a mission to provide, operate, and assure command and control of information systems, Defense Information Systems Agency supports military operations worldwide through critical technology provision for command, control, and communications infrastructure.

Leadership Roles at Defense Information Systems Agency

  • Chief Executive Officer - Robert Volk
  • Chief Financial Officer - Barbara Crawford
  • Chief Technology Officer - Stephen Wallace
  • Chief of Staff - Royce Resoso
  • Chief Information Officer - Henry Sienkiewicz
  • COS, Joint Staff Support Center - Charles Allen
  • Position, Office of the Chief Technology Officer - Frederick Schulz
  • Deputy Chief Information Officer - Carl Palmer
  • Chief, Business Management Division, Office of the Chief Information Officer - Patricia Flood
  • Deputy Chief of Staff - Alysa Harden
  • Robert Volk - Chief Executive Officer

    Robert Volk, the Chief Executive Officer at Defense Information Systems Agency, directs the overarching strategy and operational execution for the agency's critical information systems. Volk ensures alignment with Department of Defense objectives, driving the provision, operation, and assurance of command and control systems essential for global military operations. This leadership role involves shaping the agency's technological direction and fostering innovation in cybersecurity and software engineering to meet evolving defense and intelligence needs. Volk's strategic oversight guarantees that DISA remains a vital technology provider, supporting communications infrastructure across the full spectrum of military activities. Robert Volk's focus remains on enhancing the agency's capabilities to deliver secure and reliable information systems, directly impacting mission success worldwide.

    Barbara Crawford - Chief Financial Officer

    Barbara Crawford, the Chief Financial Officer at Defense Information Systems Agency, manages the agency's financial strategy and resource allocation. Crawford oversees budgeting, financial planning, and fiscal accountability to ensure the effective deployment of funds supporting critical information systems and cybersecurity initiatives. This position is vital for maintaining the operational integrity of command and control systems that underpin military operations worldwide. Crawford's financial acumen supports DISA's role as a key technology provider, ensuring resources are optimized for software engineering and IT services. Barbara Crawford's diligent financial management enables the agency to sustain its global presence and deliver essential communications infrastructure for defense purposes.

    Stephen Wallace - Chief Technology Officer

    Stephen Wallace, the Chief Technology Officer at Defense Information Systems Agency, architects the technological vision and roadmap for the agency's information systems. Wallace drives the integration of advanced technologies and software engineering solutions to enhance command and control capabilities for military operations. This role involves identifying and implementing cutting-edge cybersecurity measures and IT services that support defense and intelligence objectives. Wallace's leadership ensures DISA's technological infrastructure remains robust and adaptable, providing critical support for communications across diverse military engagements. Stephen Wallace's commitment to technological advancement directly contributes to the agency's mission of delivering secure and effective information systems globally.
    Stephen Wallace

    Royce Resoso - Chief of Staff

    Royce Resoso, the Chief of Staff at Defense Information Systems Agency, facilitates the efficient execution of agency directives and strategic initiatives. Resoso coordinates activities across various departments, ensuring seamless communication and operational alignment to support the provision and assurance of critical information systems. This role is pivotal in managing the agency's complex operations, which include software engineering and cybersecurity solutions for defense and intelligence. Resoso's efforts enhance DISA's capacity to provide robust command and control systems for military operations globally. Royce Resoso's strategic coordination ensures that the agency effectively delivers technology services and communications infrastructure worldwide.

    Henry Sienkiewicz - Chief Information Officer

    Henry Sienkiewicz, the Chief Information Officer at Defense Information Systems Agency, directs the agency's information technology strategy and infrastructure. Sienkiewicz oversees the implementation and management of IT services, software engineering, and cybersecurity solutions essential for supporting military operations worldwide. This leadership position is critical for ensuring the reliability and security of command and control systems that DISA provides. Sienkiewicz's focus on technological innovation strengthens the agency's ability to deliver critical communications infrastructure across the full spectrum of defense activities. Henry Sienkiewicz's stewardship of information systems directly supports the agency's mission to provide secure and effective technology solutions for defense and intelligence purposes.

    Charles Allen - COS, Joint Staff Support Center

    Charles Allen, the COS, Joint Staff Support Center at Defense Information Systems Agency, manages critical support functions for joint staff operations. Allen ensures the seamless integration and operation of information systems that facilitate command and control for military activities. This role is integral to providing robust IT services and cybersecurity solutions that underpin defense and intelligence missions. Allen's oversight contributes to the agency's capacity to deliver reliable communications infrastructure globally. Charles Allen's dedication to supporting joint staff operations enhances DISA's effectiveness in providing essential technology for military engagements.

    Frederick Schulz - Position, Office of the Chief Technology Officer

    Frederick Schulz, the Position, Office of the Chief Technology Officer at Defense Information Systems Agency, contributes to the advancement of the agency's technological capabilities. Schulz supports the development and implementation of innovative IT services and software engineering solutions that enhance command and control systems. This position plays a key part in strengthening cybersecurity measures vital for defense and intelligence operations. Schulz's work aids DISA in providing critical technology and communications infrastructure for military activities worldwide. Frederick Schulz's efforts bolster the agency's technological edge in supporting global defense operations.

    Carl Palmer - Deputy Chief Information Officer

    Carl Palmer, the Deputy Chief Information Officer at Defense Information Systems Agency, assists in the strategic direction and operational management of the agency's information technology infrastructure. Palmer supports the delivery of IT services, software engineering, and cybersecurity solutions that are fundamental to military operations. This role is crucial for maintaining the integrity and effectiveness of command and control systems across global defense activities. Palmer's contributions enhance DISA's capacity to provide essential communications technology. Carl Palmer's support for information systems management ensures the agency's continued success in serving defense and intelligence needs.

    Patricia Flood - Chief, Business Management Division, Office of the Chief Information Officer

    Patricia Flood, the Chief, Business Management Division, Office of the Chief Information Officer at Defense Information Systems Agency, leads the business management functions critical to IT operations. Flood oversees the strategic planning and execution of business processes that support the agency's information systems, software engineering, and cybersecurity initiatives. This leadership ensures efficient resource utilization for command and control systems supporting military operations worldwide. Flood's division is instrumental in managing the financial and operational aspects of DISA's technology services. Patricia Flood's management of business operations strengthens the agency's ability to deliver vital communications infrastructure for defense purposes.

    Alysa Harden - Deputy Chief of Staff

    Alysa Harden, the Deputy Chief of Staff at Defense Information Systems Agency, supports the Chief of Staff in driving operational efficiency and strategic alignment. Harden facilitates interdepartmental coordination, ensuring the smooth provision and assurance of critical information systems for military operations. This role is vital for managing the agency's complex IT services, software engineering, and cybersecurity efforts. Harden's contributions enhance DISA's capacity to deliver robust command and control systems globally. Alysa Harden's support for strategic initiatives reinforces the agency's mission to provide essential technology and communications infrastructure worldwide.

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    Frequently Asked Questions Regarding Defense Information Systems Agency Top Executives and Leadership Team

    Who leads Defense Information Systems Agency?
    Defense Information Systems Agency is led by Robert Volk (Chief Executive Officer), along with executives such as Barbara Crawford (Chief Financial Officer) and Stephen Wallace (Chief Technology Officer).
    Who is part of Defense Information Systems Agency’s executive team?
    The executive team of Defense Information Systems Agency includes leaders such as Robert Volk (Chief Executive Officer), Barbara Crawford (Chief Financial Officer), Stephen Wallace (Chief Technology Officer) and other senior executives.
    How many executives does Defense Information Systems Agency have?
    Defense Information Systems Agency has 10 executives leading key business areas.
    What roles are included in Defense Information Systems Agency’s leadership team?
    The leadership team of Defense Information Systems Agency includes roles such as Chief Executive Officer, Chief Financial Officer, Chief Technology Officer, Chief of Staff, Chief Information Officer.