Defense Information Systems Agency Executive and Leadership Team

June, 2026

Leadership Overview

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

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 Information Officer - Henry Sienkiewicz
  • Chief Technology Officer - Stephen Wallace
  • Chief of Staff - Royce Resoso
  • Deputy Chief of Staff - Alysa Harden
  • Deputy Chief of Staff - Clorinda Trujillo
  • Deputy Chief of Staff - Damien Terry
  • Chief, Business Management Division, Office of the Chief Information Officer - Patricia Flood
  • Position, Office of the Chief Technology Officer - Frederick Schulz
  • 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 the provision, operation, and assurance of command and control capabilities that underpin global military operations. This leadership role involves aligning technological advancements with defense objectives, driving innovation in software engineering and cybersecurity solutions. Volk's strategic vision guides the agency's efforts to maintain a robust communications infrastructure across diverse military environments. The Chief Executive Officer's focus remains on enhancing the agency's capacity to support the full spectrum of military operations, ensuring seamless information flow and secure data management. Robert Volk's leadership is central to DISA's mission of providing essential technology services to the Department of Defense.

    Barbara Crawford - Chief Financial Officer

    Barbara Crawford, the Chief Financial Officer at Defense Information Systems Agency, directs the financial strategy and management of the agency's resources. Crawford is responsible for budgeting, financial planning, and ensuring fiscal accountability across all operations supporting military information systems. This leadership position involves optimizing financial performance, managing investments in technology, and ensuring compliance with government financial regulations. The Chief Financial Officer's oversight extends to the financial aspects of software engineering and cybersecurity projects, ensuring efficient allocation of funds. Barbara Crawford's expertise is vital in maintaining the financial health of DISA, enabling the agency to effectively provide and operate critical command and control systems for defense purposes globally.

    Henry Sienkiewicz - Chief Information Officer

    Henry Sienkiewicz, the Chief Information Officer at Defense Information Systems Agency, oversees the strategic direction and management of all information technology resources and systems. Sienkiewicz is responsible for ensuring the integrity, security, and availability of IT services that support critical defense and intelligence operations worldwide. This involves architecting robust cybersecurity frameworks and implementing advanced software engineering practices to protect sensitive data. The Chief Information Officer drives initiatives to modernize IT infrastructure, enhancing DISA's ability to provide seamless command and control capabilities. Sienkiewicz's purview includes managing a global network of IT services, ensuring operational readiness and technological superiority for military communications. Henry Sienkiewicz's leadership ensures that DISA's information systems effectively meet the evolving demands of modern warfare and national security objectives.

    Stephen Wallace - Chief Technology Officer

    Stephen Wallace, the Chief Technology Officer at Defense Information Systems Agency, spearheads the exploration and integration of cutting-edge technologies to advance the agency's mission. Wallace drives the development and implementation of innovative solutions in areas such as cloud computing, artificial intelligence, and advanced networking to enhance command and control systems. The Chief Technology Officer's role involves identifying emerging technological trends and assessing their potential impact on defense operations, ensuring DISA remains at the forefront of technological capability. Wallace guides research and development efforts, fostering an environment of continuous technological improvement. Stephen Wallace's expertise is crucial in shaping the future technological landscape for military information systems, supporting secure and efficient communication channels globally.
    Stephen Wallace

    Royce Resoso - Chief of Staff

    Royce Resoso, the Chief of Staff at Defense Information Systems Agency, manages the strategic execution and operational efficiency of the agency's leadership directives. Resoso coordinates efforts across various departments, ensuring alignment with the agency's core mission of providing and assuring critical information systems for military operations. This role involves facilitating communication, streamlining processes, and optimizing resource allocation to support global command and control functions. The Chief of Staff plays a pivotal part in translating high-level strategic goals into actionable plans, overseeing the implementation of cybersecurity and software engineering initiatives. Royce Resoso's leadership ensures that DISA's operational framework effectively supports the full spectrum of defense communication needs worldwide.

    Alysa Harden - Deputy Chief of Staff

    Alysa Harden, the Deputy Chief of Staff at Defense Information Systems Agency, supports the Chief of Staff in managing the agency's strategic initiatives and operational coordination. Harden assists in streamlining interdepartmental communication and ensuring the effective implementation of directives related to information systems and cybersecurity. This role involves contributing to the optimization of processes that support global military command and control functions. The Deputy Chief of Staff collaborates on initiatives aimed at enhancing software engineering capabilities and ensuring the reliability of defense technology infrastructure. Alysa Harden's efforts are integral to maintaining DISA's operational readiness and its capacity to provide essential technology services worldwide.

    Clorinda Trujillo - Deputy Chief of Staff

    Clorinda Trujillo, the Deputy Chief of Staff at Defense Information Systems Agency, assists in the strategic oversight and operational management of the agency's critical functions. Trujillo contributes to the coordination of efforts that ensure the seamless provision and assurance of information systems supporting military operations globally. This involves facilitating cross-functional collaboration and supporting the execution of technology initiatives, including software engineering and cybersecurity solutions. The Deputy Chief of Staff plays a key part in enhancing the efficiency of command and control infrastructure. Clorinda Trujillo's work supports the agency's commitment to delivering robust communication and information technology services essential for defense purposes worldwide.

    Damien Terry - Deputy Chief of Staff

    Damien Terry, the Deputy Chief of Staff at Defense Information Systems Agency, supports the Chief of Staff in driving operational excellence and strategic alignment across the organization. Terry contributes to the coordination of activities that ensure the reliable operation of information systems vital for global military command and control. This involves enhancing process efficiencies and supporting the implementation of advanced technology solutions, including cybersecurity measures and software development. The Deputy Chief of Staff's focus is on strengthening DISA's capacity to provide secure and effective communication infrastructure. Damien Terry's contributions are essential to maintaining the agency's role as a critical technology provider for defense operations worldwide.

    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 financial and administrative operations supporting the agency's information technology strategy. Flood manages critical business functions, ensuring efficient resource allocation and fiscal responsibility for IT services that underpin global military operations. This leadership role involves overseeing budgeting, procurement, and financial planning for software engineering and cybersecurity initiatives. The Chief, Business Management Division, ensures that IT investments align with strategic objectives and regulatory requirements. Patricia Flood's management is vital for the effective delivery of command and control information systems, supporting DISA's mission to provide essential technology solutions worldwide.

    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 and integration of innovative technologies within the agency's operational framework. Schulz supports the Chief Technology Officer in identifying and evaluating emerging technological solutions that enhance command and control systems and cybersecurity capabilities. This role involves research into new platforms and methodologies to improve software engineering and network infrastructure. The Position, Office of the Chief Technology Officer focuses on ensuring DISA leverages state-of-the-art technology to meet the evolving demands of military operations. Frederick Schulz's efforts are instrumental in maintaining the agency's technological edge and its capacity to provide critical information systems globally.

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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 Henry Sienkiewicz (Chief Information 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), Henry Sienkiewicz (Chief Information 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 Information Officer, Chief Technology Officer, Chief of Staff.