US Army Executive and Leadership Team

May, 2026

Leadership Overview

The US Army has 10 executives leading key functions including strategy, technology, operations, and information management.

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 Executive Officer - Johnny East
  • Chief Operating Officer - Eun Choi
  • Chief Operating Officer, Employer Partnership Initiative - Dianna Cleven
  • Chief Technology Officer - A. Dowsey
  • Chief of Staff - Pamela Fierstein
  • Chief Information Officer - Collier Lipple
  • Chief Technology Officer & Chief Information Officer, Information Technology Management, , CSO - Steven Munsie
  • Principal Contracting Advisor To ASA ( Alternative) Chief Technology Officer - Frederick Puthoff
  • Deputy Chief of Staff for Installations - David Wilson
  • IIIAC Chief of Staff Executive Officer - Alexandria Bedell
  • Johnny East - Chief Executive Officer

    Johnny East, the Chief Executive Officer at US Army, directs the overarching strategy and operational framework for the land service branch. East's leadership ensures the effective execution of national security objectives and defense services across all domains. This role involves coordinating with various governmental bodies and military branches to maintain readiness and operational superiority. The Chief Executive Officer's purview encompasses the strategic allocation of resources, development of long-term goals, and the cultivation of a robust organizational culture aligned with the US Army's mission. Johnny East's strategic vision guides the organization's response to evolving global threats and ensures the continuous adaptation of military capabilities to meet contemporary challenges. The executive's focus remains on maintaining the highest standards of discipline, effectiveness, and service to the nation.

    Eun Choi - Chief Operating Officer

    Eun Choi, the Chief Operating Officer at US Army, oversees the day-to-day operational execution and efficiency of the land service branch. Choi's mandate includes optimizing resource management, streamlining logistical processes, and ensuring the seamless functioning of numerous installations worldwide. This involves managing complex supply chains, coordinating personnel deployment, and enhancing the effectiveness of training facilities and operational bases. The Chief Operating Officer's leadership is essential for maintaining the readiness and deployability of forces, directly impacting national security and defense services. Eun Choi's strategic focus is on operational excellence, driving improvements in efficiency and effectiveness across all functional areas. The executive's work ensures that the US Army can consistently meet its mission requirements in diverse and challenging environments.

    Dianna Cleven - Chief Operating Officer, Employer Partnership Initiative

    Dianna Cleven, the Chief Operating Officer, Employer Partnership Initiative at US Army, leads the operational execution of programs designed to foster strategic partnerships with employers. Cleven's role is critical in developing and managing initiatives that support recruitment, career development, and transition services for service members. This involves establishing and maintaining relationships with external organizations, ensuring the smooth operation of partnership programs, and aligning these efforts with the US Army's broader human resources and talent management strategies. The Chief Operating Officer's focus is on operationalizing initiatives that enhance the career pathways and post-service opportunities for personnel. Dianna Cleven's leadership ensures the effective implementation of employer partnership strategies, contributing to talent acquisition and retention. The executive's work supports the long-term career success of individuals within and beyond their military service.

    A. Dowsey - Chief Technology Officer

    A. Dowsey, the Chief Technology Officer at US Army, architects the technological roadmap and drives innovation across the organization. Dowsey's responsibilities include identifying, evaluating, and integrating cutting-edge technologies to enhance operational effectiveness and maintain a strategic advantage. This involves overseeing research and development initiatives, ensuring the cybersecurity posture of critical systems, and fostering a culture of technological advancement. The Chief Technology Officer's role is pivotal in modernizing military capabilities, from advanced communication systems to sophisticated combat platforms. A. Dowsey's strategic direction ensures that the US Army remains at the forefront of technological application in defense, supporting land-based military operations and national security mandates. The executive's efforts are critical for developing and deploying solutions that address complex battlefield requirements and future operational needs.

    Pamela Fierstein - Chief of Staff

    Pamela Fierstein, the Chief of Staff at US Army, provides direct support and strategic counsel to the senior leadership, ensuring alignment and efficient communication across the organization. Fierstein manages the executive office, coordinates critical initiatives, and facilitates the flow of information between different departments and commands. This role is crucial for translating strategic objectives into actionable plans and ensuring that leadership decisions are effectively implemented. The Chief of Staff's responsibilities include overseeing policy development, managing key projects, and ensuring the smooth operation of administrative functions that support land-based military operations. Pamela Fierstein's influence extends to optimizing organizational processes and fostering a cohesive leadership environment. The executive's efforts are vital for maintaining operational tempo and strategic focus.

    Collier Lipple - Chief Information Officer

    Collier Lipple, the Chief Information Officer at US Army, directs the strategy and management of all information technology systems and digital infrastructure. Lipple is responsible for ensuring the security, integrity, and accessibility of data critical to land-based military operations and national security. This includes overseeing the implementation of advanced IT solutions, managing network operations, and developing robust cybersecurity protocols to protect against evolving threats. The Chief Information Officer's role is fundamental in enabling effective communication, data analysis, and command and control capabilities. Collier Lipple's leadership ensures that the US Army leverages technology to enhance operational efficiency and maintain a decisive information advantage. The executive's focus is on modernizing IT services and supporting the digital transformation of defense capabilities.

    Steven Munsie - Chief Technology Officer & Chief Information Officer, Information Technology Management, , CSO

    Steven Munsie, the Chief Technology Officer & Chief Information Officer, Information Technology Management, , CSO at US Army, drives the integration of technology and information management across the organization. Munsie's dual role encompasses both the strategic development of technological capabilities and the efficient management of IT resources to support land-based military operations. This involves overseeing the implementation of advanced systems, ensuring data security, and optimizing IT infrastructure for maximum operational impact. The executive's responsibilities are critical for modernizing defense systems and enhancing the command and control environment. Steven Munsie's leadership ensures that the US Army maintains a technological edge and robust information management practices. The executive's focus is on aligning technology strategy with national security objectives and operational requirements.

    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 and technological acquisitions. Puthoff's role is crucial in ensuring that the US Army procures advanced technologies and services effectively, aligning with both operational needs and budgetary constraints. This involves advising on complex procurement processes, negotiating terms, and ensuring compliance with federal regulations. The Principal Contracting Advisor's expertise supports the Chief Technology Officer's initiatives by facilitating the acquisition of innovative solutions that enhance land-based military operations and national security. Frederick Puthoff's strategic counsel is vital for navigating the intricate landscape of defense contracting. The executive's focus is on securing the best value and technological advantage through strategic procurement.

    David Wilson - Deputy Chief of Staff for Installations

    David Wilson, the Deputy Chief of Staff for Installations at US Army, oversees the management and development of military installations worldwide. Wilson's responsibilities include ensuring that training facilities, operational bases, and mobilization stations are equipped and maintained to support land-based military operations and national security objectives. This involves strategic planning for infrastructure development, resource allocation, and operational readiness across all installations. The Deputy Chief of Staff's leadership is essential for providing the necessary physical infrastructure that underpins the US Army's global presence and operational capabilities. David Wilson's focus is on optimizing the functionality and efficiency of installations to support troop readiness and mission accomplishment. The executive's work directly impacts the logistical and operational support provided to service members.

    Alexandria Bedell - IIIAC Chief of Staff Executive Officer

    Alexandria Bedell, the IIIAC Chief of Staff Executive Officer at US Army, provides critical executive support and operational coordination for the Chief of Staff's office. Bedell manages key administrative functions, facilitates communication, and ensures the efficient execution of directives within the IIIAC command structure. This role is integral to maintaining organizational coherence and supporting strategic decision-making processes. The Executive Officer's responsibilities include streamlining workflows, coordinating meetings, and managing information flow to enhance leadership effectiveness. Alexandria Bedell's contributions are vital for the seamless operation of the Chief of Staff's office, ensuring that strategic priorities are addressed promptly and effectively. The executive's focus is on optimizing operational support for leadership initiatives.

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    Frequently Asked Questions Regarding US Army Top Executives and Leadership Team

    Who leads US Army?
    US Army is led by Johnny East (Chief Executive Officer), along with executives such as Eun Choi (Chief Operating Officer) and Dianna Cleven (Chief Operating Officer, Employer Partnership Initiative).
    Who is part of US Army’s executive team?
    The executive team of US Army includes leaders such as Johnny East (Chief Executive Officer), Eun Choi (Chief Operating Officer), Dianna Cleven (Chief Operating Officer, Employer Partnership Initiative) 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 Executive Officer, Chief Operating Officer, Chief Operating Officer, Employer Partnership Initiative, Chief Technology Officer, Chief of Staff.