US Army Executive and Leadership Team

July, 2026

Leadership Overview

The US Army has 10 executives leading key functions including finance, operations, technology, and human resources.

Driven by national security imperatives, US Army provides essential land-based military operations and defense services, maintaining a global presence across numerous installations and offering diverse career paths.

Leadership Roles at US Army

  • Chief Financial Officer - Jennifer Sandoval
  • Senior Legal Administrator & Chief Operating Officer - Kay Sheffey
  • Chief of Staff - Shane Fullmer
  • Chief Technology Officer - A. Dowsey
  • Chief Information Officer - Angie Craddock
  • AI Advisor To the Vice Chief of Staff, Army - Zak Daker
  • Chief Information Officer & Chief Knowledge Officer - Rodney Jordan
  • Deputy Commander, Chief of Staff, 136th Combat Arms Regiment, Regional Training Institute - Deric Maruquin
  • Principal Contracting Advisor To ASA ( Alternative) Chief Technology Officer - Frederick Puthoff
  • Chief Human Resources Officer - Viktoriya Varpakhovich
  • Jennifer Sandoval - Chief Financial Officer

    Jennifer Sandoval, the Chief Financial Officer at US Army, directs all fiscal operations and financial strategy. Sandoval manages the allocation of resources across global installations and training facilities, ensuring adherence to budgetary constraints and optimizing financial performance. This leadership role involves close collaboration with other senior leaders to align financial planning with national security objectives and the Army's operational requirements. Sandoval's oversight extends to financial reporting, risk management, and the implementation of efficient financial systems to support the organization's extensive land-based military operations. The Chief Financial Officer ensures the fiscal integrity of the Army's extensive budget, supporting its mission of national defense and security services worldwide. Jennifer Sandoval's expertise is critical for maintaining the financial stability required for extensive global operations and diverse career path support.
    Kay Sheffey, the Senior Legal Administrator & Chief Operating Officer at US Army, manages critical operational functions and oversees legal administration. Sheffey directs the day-to-day operations supporting land-based military activities and defense services across numerous installations worldwide. This leadership position involves ensuring compliance with legal frameworks, optimizing resource allocation for operational efficiency, and supporting diverse career paths within the organization. The Senior Legal Administrator & Chief Operating Officer plays a vital role in maintaining the smooth functioning of the Army's extensive infrastructure and administrative processes. Kay Sheffey's oversight ensures that operational activities align with legal requirements and strategic objectives, contributing to national security. Sheffey's management enhances the Army's operational and administrative effectiveness.

    Shane Fullmer - Chief of Staff

    Shane Fullmer, the Chief of Staff at US Army, orchestrates the strategic execution of Army-wide initiatives and operational directives. Fullmer coordinates activities across various departments, ensuring seamless communication and alignment with the overarching mission of national security and defense. This position involves managing the flow of information and resources to support land-based military operations and the maintenance of global installations. The Chief of Staff facilitates decision-making processes for senior leadership, driving efficiency and effectiveness in all Army functions, from combat operations to logistics. Shane Fullmer's role is pivotal in translating strategic goals into actionable plans, ensuring the organization operates cohesively and achieves its defense objectives. Fullmer's leadership ensures the smooth functioning of the Army's complex organizational structure.

    A. Dowsey - Chief Technology Officer

    A. Dowsey, the Chief Technology Officer at US Army, drives the integration and advancement of technology across all operational domains. Dowsey oversees the strategic implementation of cutting-edge technological solutions to enhance land-based military operations, engineering capabilities, and defense services. This leadership position involves identifying emerging technologies, assessing their potential impact on national security, and guiding their adoption within the organization's extensive network of installations. The Chief Technology Officer ensures that the Army maintains a technological edge, supporting disciplines ranging from combat operations to advanced logistics and cyber warfare. A. Dowsey's focus is on leveraging innovation to bolster the Army's defense posture and operational effectiveness globally. Dowsey's guidance ensures the Army remains at the forefront of technological application in defense.

    Angie Craddock - Chief Information Officer

    Angie Craddock, the Chief Information Officer at US Army, directs the strategy and management of all information systems and digital infrastructure. Craddock ensures the secure and efficient flow of data across global installations, supporting critical land-based military operations and defense services. This role involves overseeing the development and maintenance of robust IT networks, safeguarding sensitive information, and enabling seamless communication for diverse career paths within the Army, including medical services and technology. The Chief Information Officer plays a crucial part in modernizing the Army's digital capabilities, enhancing operational readiness and strategic decision-making. Angie Craddock's leadership ensures the integrity and accessibility of information vital to national security. Craddock's efforts bolster the Army's digital resilience and operational capacity.

    Zak Daker - AI Advisor To the Vice Chief of Staff, Army

    Zak Daker, the AI Advisor To the Vice Chief of Staff, Army at US Army, provides critical strategic counsel on the integration of artificial intelligence. Daker advises on leveraging AI to enhance land-based military operations, optimize logistics, and advance technological capabilities across global installations. This advisory role involves assessing AI's potential impact on national security, identifying opportunities for innovation in areas like combat operations and engineering, and guiding the responsible implementation of AI solutions. The AI Advisor To the Vice Chief of Staff, Army ensures the Army remains at the forefront of AI development within the defense sector. Zak Daker's insights are instrumental in shaping the future of Army operations through advanced artificial intelligence. Daker's guidance supports the Army's mission in a rapidly evolving technological landscape.

    Rodney Jordan - Chief Information Officer & Chief Knowledge Officer

    Rodney Jordan, the Chief Information Officer & Chief Knowledge Officer at US Army, leads the strategic management of information systems and the cultivation of organizational knowledge. Jordan oversees the infrastructure supporting land-based military operations and defense services, ensuring data integrity and accessibility across worldwide installations. This dual role involves not only managing IT resources but also establishing frameworks for knowledge sharing and retention, crucial for diverse disciplines like medical services and technology. The Chief Information Officer & Chief Knowledge Officer ensures that critical information is protected while fostering an environment where collective intelligence drives operational excellence and strategic advancement. Rodney Jordan's leadership enhances the Army's ability to learn, adapt, and effectively execute its national security mission. Jordan's expertise strengthens both information management and institutional learning.

    Deric Maruquin - Deputy Commander, Chief of Staff, 136th Combat Arms Regiment, Regional Training Institute

    Deric Maruquin, the Deputy Commander, Chief of Staff, 136th Combat Arms Regiment, Regional Training Institute at US Army, commands and directs critical training operations. Maruquin oversees the strategic execution of combat arms training programs, ensuring readiness for land-based military operations and defense services. This leadership role involves managing training facilities, coordinating instructional staff, and ensuring that curricula meet the evolving demands of national security. The Deputy Commander, Chief of Staff, 136th Combat Arms Regiment, Regional Training Institute is pivotal in developing skilled personnel across various disciplines, including combat operations and logistics. Deric Maruquin's leadership ensures the highest standards of training are maintained, preparing forces for effective deployment. Maruquin's dedication strengthens the Army's combat readiness and operational capabilities.

    Frederick Puthoff - Principal Contracting Advisor To ASA ( Alternative) Chief Technology Officer

    Frederick Puthoff, the Principal Contracting Advisor To ASA ( Alternative) Chief Technology Officer at US Army, provides expert guidance on contracting strategies for technology acquisition. Puthoff advises on securing essential resources and services to support land-based military operations and the advancement of technological capabilities across global installations. This advisory role involves navigating complex procurement processes, ensuring compliance with regulations, and identifying optimal contracting solutions to meet the Army's defense needs. The Principal Contracting Advisor To ASA ( Alternative) Chief Technology Officer plays a key part in enabling the integration of new technologies that enhance operational effectiveness and national security. Frederick Puthoff's counsel is vital for acquiring the cutting-edge technology required by the Army. Puthoff's expertise facilitates strategic technological procurement.

    Viktoriya Varpakhovich - Chief Human Resources Officer

    Viktoriya Varpakhovich, the Chief Human Resources Officer at US Army, leads the strategic management of personnel and talent development. Varpakhovich oversees all aspects of human resources, supporting the diverse career paths offered across land-based military operations, engineering, medical services, and technology. This role involves developing policies and programs that attract, retain, and develop a skilled workforce essential for national security and defense services. The Chief Human Resources Officer ensures that personnel management aligns with the Army's mission and operational requirements across its global installations. Viktoriya Varpakhovich's leadership is critical for fostering a motivated and capable workforce, underpinning the Army's effectiveness. Varpakhovich's efforts enhance personnel readiness and organizational strength.

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    Frequently Asked Questions Regarding US Army Top Executives and Leadership Team

    Who leads US Army?
    US Army is led by Jennifer Sandoval (Chief Financial Officer), along with executives such as Kay Sheffey (Senior Legal Administrator & Chief Operating Officer) and Shane Fullmer (Chief of Staff).
    Who is part of US Army’s executive team?
    The executive team of US Army includes leaders such as Jennifer Sandoval (Chief Financial Officer), Kay Sheffey (Senior Legal Administrator & Chief Operating Officer), Shane Fullmer (Chief of Staff) and other senior executives.
    How many executives does US Army have?
    US Army has 10 executives leading key business areas.
    What roles are included in US Army’s leadership team?
    The leadership team of US Army includes roles such as Chief Financial Officer, Senior Legal Administrator & Chief Operating Officer, Chief of Staff, Chief Technology Officer, Chief Information Officer.