SLAC National Accelerator Laboratory Executive and Leadership Team

July, 2026

Leadership Overview

SLAC National Accelerator Laboratory has 5 executives leading key functions including finance, operations, and information technology.

Driven by scientific discovery, SLAC National Accelerator Laboratory is dedicated to exploring the fundamental workings of the universe through cutting-edge research, providing powerful tools for global scientists, and fostering innovation in technology and sustainable energy solutions.

Leadership Roles at SLAC National Accelerator Laboratory

  • Chief Financial Officer - Clayton Sumner
  • Chief Financial Officer, Office of - Adile Safa
  • Chief of Staff - Janet Tulk
  • Associate Chief Information Officer - Yuhua Liu
  • IT Chief of Staff - Shannon Salyer
  • Clayton Sumner - Chief Financial Officer

    Clayton Sumner, the Chief Financial Officer at SLAC National Accelerator Laboratory, directs all financial operations and strategic fiscal planning. Overseeing budgeting, forecasting, and financial reporting, Sumner ensures robust financial health to support the laboratory's ambitious research endeavors in particle astrophysics, energy sciences, and advanced acceleration techniques. This leadership role involves managing financial resources to acquire and maintain the powerful tools and facilities utilized by scientists globally. By optimizing financial strategies, Clayton Sumner directly supports the development of new technologies and sustainable energy solutions. The Chief Financial Officer's oversight extends to ensuring compliance with all financial regulations and driving efficiency across all departments, thereby securing the laboratory's long-term operational stability and capacity for groundbreaking scientific exploration.

    Adile Safa - Chief Financial Officer, Office of

    Adile Safa, the Chief Financial Officer, Office of at SLAC National Accelerator Laboratory, provides critical financial oversight and strategic guidance. Safa manages the financial operations within the designated office, ensuring fiscal responsibility and compliance with all regulatory requirements. This leadership function is integral to supporting the laboratory's extensive research activities, including particle astrophysics, energy sciences, and advanced acceleration techniques, by ensuring adequate funding and resource allocation. By meticulously managing financial resources, Adile Safa supports the acquisition and maintenance of powerful tools and facilities utilized by scientists worldwide. The Chief Financial Officer, Office of's dedication to financial integrity directly underpins the laboratory's capacity for innovation, the development of new technologies, and the pursuit of sustainable energy solutions, reinforcing SLAC National Accelerator Laboratory's position at the forefront of scientific discovery.
    Adile Safa

    Janet Tulk - Chief of Staff

    Janet Tulk, the Chief of Staff at SLAC National Accelerator Laboratory, orchestrates strategic initiatives and operational efficiency across the organization. Tulk manages key projects and ensures seamless communication between executive leadership and various research departments, facilitating the laboratory's mission to explore fundamental workings of the universe. This role involves aligning departmental goals with the overarching objectives of advancing particle astrophysics, energy sciences, and acceleration techniques. By streamlining internal processes and fostering cross-functional collaboration, Janet Tulk enhances the laboratory's ability to provide powerful tools and facilities to scientists worldwide. The Chief of Staff's focus on operational excellence directly supports the development of new technologies and sustainable energy solutions, ensuring SLAC National Accelerator Laboratory remains at the forefront of scientific discovery and innovation.

    Yuhua Liu - Associate Chief Information Officer

    Yuhua Liu, the Associate Chief Information Officer at SLAC National Accelerator Laboratory, drives the strategic direction and implementation of information technology infrastructure. Liu oversees the development and maintenance of robust IT systems essential for supporting cutting-edge research in particle astrophysics, energy sciences, and advanced acceleration techniques. This leadership position involves ensuring the security, reliability, and scalability of the technological backbone that enables scientists globally to access and utilize SLAC's powerful tools and facilities. By championing technological advancements, Yuhua Liu directly supports the laboratory's mission to reveal nature's fastest processes and study the cosmos. The Associate Chief Information Officer's efforts are critical in fostering innovation, enabling data-intensive research, and providing the digital resources necessary for developing new technologies and sustainable energy solutions.

    Shannon Salyer - IT Chief of Staff

    Shannon Salyer, the IT Chief of Staff at SLAC National Accelerator Laboratory, enhances the effectiveness and strategic alignment of the information technology division. Salyer manages critical IT projects and initiatives, ensuring that technology solutions directly support the laboratory's core research objectives in particle astrophysics, energy sciences, and advanced acceleration techniques. This role involves facilitating communication and collaboration between IT teams and scientific departments, optimizing the delivery of services that empower global researchers. By streamlining IT operations and resource allocation, Shannon Salyer contributes to the efficient provision of powerful tools and facilities. The IT Chief of Staff's focus on operational synergy directly supports SLAC National Accelerator Laboratory's commitment to innovation, the development of new technologies, and the pursuit of sustainable energy solutions, ensuring technological readiness for future scientific exploration.

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    Frequently Asked Questions Regarding SLAC National Accelerator Laboratory Top Executives and Leadership Team

    Who leads SLAC National Accelerator Laboratory?
    SLAC National Accelerator Laboratory is led by Clayton Sumner (Chief Financial Officer), along with executives such as Adile Safa (Chief Financial Officer, Office of) and Janet Tulk (Chief of Staff).
    Who is part of SLAC National Accelerator Laboratory’s executive team?
    The executive team of SLAC National Accelerator Laboratory includes leaders such as Clayton Sumner (Chief Financial Officer), Adile Safa (Chief Financial Officer, Office of), Janet Tulk (Chief of Staff) and other senior executives.
    How many executives does SLAC National Accelerator Laboratory have?
    SLAC National Accelerator Laboratory has 5 executives leading key business areas.
    What roles are included in SLAC National Accelerator Laboratory’s leadership team?
    The leadership team of SLAC National Accelerator Laboratory includes roles such as Chief Financial Officer, Chief Financial Officer, Office of, Chief of Staff, Associate Chief Information Officer, IT Chief of Staff.