Savannah River National Laboratory Executive and Leadership Team

August, 2026

Leadership Overview

Savannah River National Laboratory has 4 executives leading key functions including finance, operations, human resources, and strategic initiatives.

Dedicated to advancing scientific discovery and national security, Savannah River National Laboratory drives innovation through its multi-program national laboratory status, serving the U.S. Department of Energy's Office of Environmental Management with critical research and development.

Leadership Roles at Savannah River National Laboratory

  • Chief Financial Officer, Business Services - Byron Sohovich
  • Deputy Director, Laboratory For Operations & Chief Operating Officer - Dana Hewit
  • Chief Human Resources Officer - Marilyn Foxall
  • Deputy Chief of Staff - A'dashia Dunbar
  • Byron Sohovich - Chief Financial Officer, Business Services

    Byron Sohovich, the Chief Financial Officer, Business Services at Savannah River National Laboratory, directs all financial operations and business services critical to the laboratory's mission. Overseeing budgetary planning, financial reporting, and resource allocation, Sohovich ensures fiscal integrity and strategic financial management across all departments. This leadership role involves optimizing financial performance, managing investments, and driving cost-efficiency initiatives to support the laboratory's research and development objectives. Byron Sohovich's financial acumen underpins the laboratory's ability to secure funding and manage complex projects effectively, aligning financial strategies with the overarching goals of the U.S. Department of Energy. The Chief Financial Officer, Business Services also guides procurement processes and ensures compliance with all relevant financial regulations, safeguarding the laboratory's assets and operational continuity.

    Dana Hewit - Deputy Director, Laboratory For Operations & Chief Operating Officer

    Dana Hewit, the Deputy Director, Laboratory For Operations & Chief Operating Officer at Savannah River National Laboratory, orchestrates the day-to-day operational execution and strategic oversight of laboratory functions. This executive role encompasses managing critical infrastructure, ensuring seamless workflow across research divisions, and driving operational efficiencies to support scientific advancement. Dana Hewit's responsibilities include overseeing site operations, safety protocols, and the effective deployment of resources to meet research and development targets. The Deputy Director, Laboratory For Operations & Chief Operating Officer also collaborates with scientific leadership to translate research objectives into actionable operational plans, ensuring the laboratory's capacity to undertake complex national security and environmental management projects. Hewit's leadership ensures the robust functioning of the Savannah River Site, facilitating groundbreaking work for the U.S. Department of Energy.

    Marilyn Foxall - Chief Human Resources Officer

    Marilyn Foxall, the Chief Human Resources Officer at Savannah River National Laboratory, leads all human capital strategies and initiatives essential for the laboratory's scientific and operational success. This executive position involves developing and implementing comprehensive HR policies, talent acquisition programs, and employee development frameworks to attract, retain, and cultivate a high-performing workforce. Marilyn Foxall's strategic focus includes fostering a positive and inclusive organizational culture, managing compensation and benefits, and ensuring compliance with labor laws and regulations. The Chief Human Resources Officer plays a pivotal role in aligning human resources functions with the laboratory's mission of advancing research for the U.S. Department of Energy. Foxall's leadership ensures that the Savannah River National Laboratory possesses the skilled personnel necessary to tackle complex challenges in environmental management and national security.

    A'dashia Dunbar - Deputy Chief of Staff

    A'dashia Dunbar, the Deputy Chief of Staff at Savannah River National Laboratory, provides critical support to executive leadership, facilitating strategic planning and operational coordination. This role involves managing key initiatives, streamlining communication channels, and ensuring the efficient execution of directives across the laboratory. A'dashia Dunbar's responsibilities include assisting the Chief of Staff in overseeing administrative functions, coordinating interdepartmental projects, and preparing reports and presentations for senior management and external stakeholders. The Deputy Chief of Staff acts as a key liaison, ensuring alignment between strategic goals and daily operations, thereby enhancing the laboratory's overall effectiveness in its mission for the U.S. Department of Energy. Dunbar's contributions are vital to maintaining organizational coherence and driving forward the laboratory's research and development objectives.

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    Frequently Asked Questions Regarding Savannah River National Laboratory Top Executives and Leadership Team

    Who leads Savannah River National Laboratory?
    Savannah River National Laboratory is led by Byron Sohovich (Chief Financial Officer, Business Services), along with executives such as Dana Hewit (Deputy Director, Laboratory For Operations & Chief Operating Officer) and Marilyn Foxall (Chief Human Resources Officer).
    Who is part of Savannah River National Laboratory’s executive team?
    The executive team of Savannah River National Laboratory includes leaders such as Byron Sohovich (Chief Financial Officer, Business Services), Dana Hewit (Deputy Director, Laboratory For Operations & Chief Operating Officer), Marilyn Foxall (Chief Human Resources Officer) and other senior executives.
    How many executives does Savannah River National Laboratory have?
    Savannah River National Laboratory has 4 executives leading key business areas.
    What roles are included in Savannah River National Laboratory’s leadership team?
    The leadership team of Savannah River National Laboratory includes roles such as Chief Financial Officer, Business Services, Deputy Director, Laboratory For Operations & Chief Operating Officer, Chief Human Resources Officer, Deputy Chief of Staff.