Astrion Executive and Leadership Team

May, 2026

Leadership Overview

Astrion has 6 executives leading key functions including strategy, operations, technology, legal, growth, and information security.

Driven by a forward-thinking spirit, Astrion tackles critical challenges across cybersecurity, digital solutions, mission support, science & engineering, and test & evaluation to support government agencies and the nation, boosting preparedness, optimizing performance, and ensuring mission success.

Leadership Roles at Astrion

  • Chief Executive Officer - Volodymyr Kostenko
  • Owner & Chief Executive Officer - Mark Howarth
  • Executive Chair & Chief Executive Officer - Thomas Vice
  • President & Chief Executive Officer - Kelly Keefe
  • President & Chief Executive Officer - Randolph Cash
  • Chief of Staff - David Millar
  • Information System Security Officer & Chief Revenue Officer - Sofía Diaz-Stack
  • Senior Vice President and Chief Technology Officer, Director of Engineering - Daniel Hackenberg
  • Chief Legal Officer - Adele Navarrete
  • Chief Growth Officer - Conn Doherty
  • Volodymyr Kostenko - Chief Executive Officer

    Volodymyr Kostenko, the Chief Executive Officer at Astrion, directs the company's overarching strategy and operational execution. Kostenko guides Astrion's mission to empower customers and the nation, ensuring preparedness, performance optimization, and mission success. This leadership involves navigating complex challenges in cybersecurity, digital solutions, mission support, science & engineering, and test & evaluation. Kostenko's focus remains on fostering a forward-thinking spirit to drive transformative evolution and deliver the difference that supports critical government agencies. The Chief Executive Officer ensures alignment across all business units, driving innovation and maintaining Astrion's position as a partner for progress. Volodymyr Kostenko's strategic vision shapes the company's response to evolving national security and technological landscapes, directly impacting Astrion's market presence and client outcomes.

    Mark Howarth - Owner & Chief Executive Officer

    Mark Howarth, the Owner & Chief Executive Officer at Astrion, holds ultimate responsibility for the company's strategic direction and ownership. Howarth drives Astrion's commitment to empowering customers and the nation, ensuring critical mission success through advanced services. This executive role encompasses overseeing the company's evolution from ERC & Oasis Systems, solidifying its identity as a partner for progress. Mark Howarth's leadership focuses on optimizing performance and boosting preparedness across key sectors like cybersecurity, digital solutions, and science & engineering. The Owner & Chief Executive Officer ensures that Astrion consistently delivers cutting-edge solutions to support agencies such as the Air Force, Army, and Space Force. Howarth's ownership stake signifies a deep commitment to Astrion's long-term vision and market impact.

    Thomas Vice - Executive Chair & Chief Executive Officer

    Thomas Vice, the Executive Chair & Chief Executive Officer at Astrion, provides strategic oversight and executive leadership. Vice guides Astrion's commitment to empowering customers and the nation, ensuring mission success through transformative services. This role involves steering the company's forward-thinking spirit to address critical challenges in cybersecurity, digital solutions, and mission support. The Executive Chair & Chief Executive Officer ensures that Astrion's offerings boost preparedness and optimize performance for government agencies. Thomas Vice's leadership extends to fostering innovation across science & engineering and test & evaluation domains. This executive position ensures robust governance and strategic alignment, reinforcing Astrion's position as a key partner for progress in critical national sectors.

    Kelly Keefe - President & Chief Executive Officer

    Kelly Keefe, the President & Chief Executive Officer at Astrion, directs the company's comprehensive operational and strategic initiatives. Keefe champions Astrion's mission to empower customers and the nation, ensuring mission success through cutting-edge services. This leadership position involves driving preparedness and optimizing performance across critical areas such as cybersecurity, digital solutions, and mission support. The President & Chief Executive Officer oversees the integration of science & engineering and test & evaluation capabilities to support government agencies. Kelly Keefe's focus is on maintaining Astrion's forward-thinking spirit and its role as a partner for progress. Keefe ensures that Astrion consistently delivers the difference needed to tackle complex national challenges.

    Randolph Cash - President & Chief Executive Officer

    Randolph Cash, the President & Chief Executive Officer at Astrion, leads the organization's strategic vision and operational execution. Cash drives Astrion's commitment to empowering customers and the nation, ensuring mission success through advanced technological solutions. This executive role focuses on boosting preparedness and optimizing performance across key sectors including cybersecurity, digital solutions, and mission support. The President & Chief Executive Officer ensures Astrion's forward-thinking spirit translates into tangible results for government agencies. Randolph Cash oversees the integration of science & engineering and test & evaluation services, reinforcing Astrion's position as a partner for progress. Cash's leadership ensures Astrion delivers the critical difference required to meet evolving national demands.

    David Millar - Chief of Staff

    David Millar, the Chief of Staff at Astrion, provides critical support and strategic coordination across executive functions. Millar ensures seamless execution of Astrion's mission to empower customers and the nation, facilitating operational efficiency and mission success. This role involves managing key initiatives and driving alignment in areas such as cybersecurity, digital solutions, and mission support. The Chief of Staff enhances preparedness and optimizes performance by streamlining communication and resource allocation. David Millar's efforts support the company's forward-thinking spirit and its role as a partner for progress. Millar works closely with executive leadership to advance Astrion's capabilities in science & engineering and test & evaluation, ensuring strategic objectives are met.

    Sofía Diaz-Stack - Information System Security Officer & Chief Revenue Officer

    Sofía Diaz-Stack, the Information System Security Officer & Chief Revenue Officer at Astrion, directs both critical security protocols and revenue generation strategies. Diaz-Stack ensures Astrion's robust cybersecurity posture while simultaneously driving business growth and client acquisition. This dual role is essential for empowering customers and the nation, guaranteeing mission success through secure and effective solutions. The Information System Security Officer & Chief Revenue Officer oversees the implementation of advanced security measures across all digital solutions and mission support operations. Sofía Diaz-Stack's leadership focuses on optimizing performance and expanding Astrion's market reach in cybersecurity, science & engineering, and test & evaluation, reinforcing the company's partner-for-progress status.

    Daniel Hackenberg - Senior Vice President and Chief Technology Officer, Director of Engineering

    Daniel Hackenberg, the Senior Vice President and Chief Technology Officer, Director of Engineering at Astrion, architects the company's technological vision and engineering execution. Hackenberg drives Astrion's innovation in cybersecurity, digital solutions, and science & engineering, ensuring cutting-edge capabilities. This leadership role is pivotal in boosting preparedness and optimizing performance across all mission support and test & evaluation domains. The Senior Vice President and Chief Technology Officer, Director of Engineering ensures that Astrion's technological infrastructure empowers customers and the nation. Daniel Hackenberg's expertise guides the development of advanced solutions, reinforcing Astrion's role as a partner for progress and its commitment to tackling critical challenges with a forward-thinking spirit.
    Adele Navarrete, the Chief Legal Officer at Astrion, provides essential legal counsel and ensures regulatory compliance across all company operations. Navarrete safeguards Astrion's interests and supports its mission to empower customers and the nation, ensuring mission success through sound legal frameworks. This role is critical for navigating the complexities of cybersecurity, digital solutions, and mission support contracts. The Chief Legal Officer oversees risk management and advises on legal implications for science & engineering and test & evaluation initiatives. Adele Navarrete's expertise ensures Astrion operates with integrity and adheres to all legal standards, reinforcing its position as a trusted partner for progress and its commitment to a forward-thinking spirit.
    Adele Navarrete

    Conn Doherty - Chief Growth Officer

    Conn Doherty, the Chief Growth Officer at Astrion, spearheads strategies to expand market presence and drive revenue growth. Doherty focuses on identifying new opportunities and strengthening client relationships to ensure Astrion's continued success and mission impact. This role is key to boosting preparedness and optimizing performance by securing new contracts and partnerships across cybersecurity, digital solutions, and mission support. The Chief Growth Officer ensures Astrion's forward-thinking spirit is translated into scalable business development. Conn Doherty's leadership cultivates strategic alliances and market penetration for science & engineering and test & evaluation services, reinforcing Astrion's role as a partner for progress.
    Conn Doherty

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    Frequently Asked Questions Regarding Astrion Top Executives and Leadership Team

    Who leads Astrion?
    Astrion is led by Volodymyr Kostenko (Chief Executive Officer), along with executives such as Mark Howarth (Owner & Chief Executive Officer) and Thomas Vice (Executive Chair & Chief Executive Officer).
    Who is part of Astrion’s executive team?
    The executive team of Astrion includes leaders such as Volodymyr Kostenko (Chief Executive Officer), Mark Howarth (Owner & Chief Executive Officer), Thomas Vice (Executive Chair & Chief Executive Officer) and other senior executives.
    How many executives does Astrion have?
    Astrion has 10 executives leading key business areas.
    What roles are included in Astrion’s leadership team?
    The leadership team of Astrion includes roles such as Chief Executive Officer, Owner & Chief Executive Officer, Executive Chair & Chief Executive Officer, President & Chief Executive Officer, President & Chief Executive Officer.