Brookhaven National Laboratory Executive and Leadership Team

August, 2026

Leadership Overview

Brookhaven National Laboratory has 10 executives leading key functions including strategic operations, human capital management, financial oversight, and information technology.

Focused on delivering discovery science and transformative technology, Brookhaven National Laboratory advances national security and energy research through multidisciplinary scientific excellence and pioneering innovation.

Leadership Roles at Brookhaven National Laboratory

  • Quality Directorate Manager, Business Services & Chief Financial Officer, Reporting To The - Joseph Labas
  • Chief Operating Officer, Directorate, Discovery Technologies Directorate - Kristen Rubino
  • Chief Operating Officer, Directorate, Discovery Technologies Directorate - Shresht Joshi
  • Chief Operating Officer, Directorate, Facilities & Operations - Michelle McQueen
  • Directorate Chief Operating Officer, Nuclear and Particle Physics - Lee Hammons
  • Chief of Staff - Aaron Stein
  • Chief Human Resources Officer & Laboratory Associate & Director, Human Resources Human Resources Directorate - Margaret Sullivan
  • Chief of Staff & Manager, Support Services - Alyssa Petrone
  • Chief of Staff & Director, S Office - Andrea Reed
  • Division Chief Information Officer, Information Technology - David Salbego
  • Joseph Labas - Quality Directorate Manager, Business Services & Chief Financial Officer, Reporting To The

    Joseph Labas, the Quality Directorate Manager, Business Services & Chief Financial Officer, Reporting To The at Brookhaven National Laboratory, manages the financial health and quality assurance frameworks of the institution. Labas oversees the budgeting, financial reporting, and fiscal planning processes that support the laboratory's diverse research portfolio. By implementing robust quality management systems, the Chief Financial Officer ensures that all business services meet the highest standards of accuracy and compliance. This role involves collaborating with the Department of Energy to secure funding and ensure the responsible stewardship of public resources. Joseph Labas directs the financial strategy to support long-term scientific goals and infrastructure investments. Through rigorous financial analysis and quality oversight, Labas maintains the fiscal stability required for pioneering research. The Quality Directorate Manager, Business Services & Chief Financial Officer, Reporting To The drives institutional accountability by ensuring that all financial and quality processes align with the laboratory's mission of discovery science.

    Kristen Rubino - Chief Operating Officer, Directorate, Discovery Technologies Directorate

    Kristen Rubino, the Chief Operating Officer, Directorate, Discovery Technologies Directorate at Brookhaven National Laboratory, manages the daily operational infrastructure required for advanced scientific experimentation. Rubino oversees the technical resources and laboratory assets necessary to support the Discovery Technologies Directorate in achieving its research milestones. By optimizing facility utilization and equipment maintenance, the Chief Operating Officer ensures that scientific teams possess the tools needed for high-impact discovery. This position involves managing complex budgets and project timelines to maintain alignment with national energy and security objectives. Kristen Rubino directs the integration of new technologies into existing research frameworks, enhancing the overall productivity of the directorate. Through strategic planning and resource management, Rubino secures the operational stability required for long-term scientific success. The Chief Operating Officer maintains a focus on safety and efficiency, ensuring that all laboratory activities meet the highest standards of excellence.

    Shresht Joshi - Chief Operating Officer, Directorate, Discovery Technologies Directorate

    Shresht Joshi, the Chief Operating Officer, Directorate, Discovery Technologies Directorate at Brookhaven National Laboratory, focuses on the logistical execution of large-scale research projects and the management of specialized laboratory facilities. Joshi directs the implementation of operational protocols that support the Discovery Technologies Directorate in its pursuit of scientific breakthroughs. By coordinating cross-functional teams, the Chief Operating Officer ensures that research initiatives receive the necessary support for successful completion. This role involves managing supply chains for critical scientific materials and overseeing the maintenance of high-tech instrumentation. Shresht Joshi monitors operational performance metrics to identify opportunities for process improvement and cost reduction. Through strategic oversight of facility operations, Joshi enables the laboratory to maintain its competitive edge in discovery science. The Chief Operating Officer works closely with research leads to ensure that all operational activities remain aligned with the laboratory's commitment to national security and energy innovation.

    Michelle McQueen - Chief Operating Officer, Directorate, Facilities & Operations

    Michelle McQueen, the Chief Operating Officer, Directorate, Facilities & Operations at Brookhaven National Laboratory, directs the management and maintenance of the laboratory's extensive physical infrastructure. McQueen oversees the operation of critical facilities, ensuring that all buildings and utility systems meet the rigorous requirements of modern scientific research. By implementing sustainable facility management practices, the Chief Operating Officer, Directorate, Facilities & Operations supports the laboratory's commitment to energy efficiency and environmental stewardship. This role involves managing large-scale capital projects and ensuring compliance with safety and regulatory standards. Michelle McQueen coordinates with research directorates to ensure that facility upgrades align with evolving scientific needs. Through strategic planning and operational oversight, McQueen maintains the physical foundation necessary for groundbreaking discoveries. The Chief Operating Officer, Directorate, Facilities & Operations ensures that the laboratory's infrastructure remains a reliable and effective platform for the nation's most important scientific work.
    Michelle McQueen

    Lee Hammons - Directorate Chief Operating Officer, Nuclear and Particle Physics

    Lee Hammons, the Directorate Chief Operating Officer, Nuclear and Particle Physics at Brookhaven National Laboratory, manages the operational requirements of the laboratory's world-renowned nuclear and particle physics research programs. Hammons oversees the technical support and facility operations necessary for large-scale experiments that explore the fundamental nature of matter. By coordinating the use of particle accelerators and other complex instrumentation, the Directorate Chief Operating Officer, Nuclear and Particle Physics ensures that research teams have the resources required for successful experimentation. This role involves managing project budgets, safety protocols, and operational schedules to maintain alignment with national scientific priorities. Lee Hammons collaborates with physicists and engineers to optimize experimental performance and data collection. Through strategic oversight of the directorate's operations, Hammons supports the laboratory's long-standing tradition of pioneering research. The Directorate Chief Operating Officer, Nuclear and Particle Physics drives scientific progress by ensuring that the infrastructure for nuclear and particle physics remains at the forefront of global discovery.

    Aaron Stein - Chief of Staff

    Aaron Stein, the Chief of Staff at Brookhaven National Laboratory, coordinates high-level administrative workflows and aligns internal departmental objectives with the broader mission of discovery science. Stein manages complex communication channels between the laboratory directorate and various research divisions to ensure operational efficiency. By streamlining decision-making processes, the Chief of Staff facilitates the rapid deployment of transformative technology across the facility. This role requires constant collaboration with senior leadership to address institutional priorities and resource allocation. Aaron Stein maintains rigorous standards for organizational performance while supporting the long-term goals of the laboratory. Through meticulous oversight of internal governance, the Chief of Staff enables the research community to focus on groundbreaking scientific achievements. Stein drives institutional progress by removing administrative bottlenecks and fostering a culture of transparency and accountability across all scientific and operational departments.

    Margaret Sullivan - Chief Human Resources Officer & Laboratory Associate & Director, Human Resources Human Resources Directorate

    Margaret Sullivan, the Chief Human Resources Officer & Laboratory Associate & Director, Human Resources Human Resources Directorate at Brookhaven National Laboratory, architects the talent acquisition and workforce development strategies essential for maintaining a world-class scientific staff. Sullivan oversees the recruitment of top-tier researchers and technical experts, ensuring the laboratory remains at the forefront of global innovation. By implementing comprehensive professional development programs, the Chief Human Resources Officer fosters an environment of continuous learning and scientific growth. This role involves managing complex labor relations and organizational culture initiatives to support the diverse needs of the laboratory workforce. Margaret Sullivan aligns human capital strategies with the overarching mission of delivering transformative technology. Through the design of equitable compensation and benefits structures, Sullivan promotes employee retention and engagement. The Chief Human Resources Officer ensures that the laboratory attracts the brightest minds to solve the most pressing scientific challenges facing the nation.
    Margaret Sullivan

    Alyssa Petrone - Chief of Staff & Manager, Support Services

    Alyssa Petrone, the Chief of Staff & Manager, Support Services at Brookhaven National Laboratory, manages the essential support systems that underpin the laboratory's daily scientific operations. Petrone oversees the delivery of facility services, including maintenance, logistics, and administrative support, to ensure a seamless research environment. By integrating these support functions, the Chief of Staff & Manager, Support Services enables scientific teams to focus exclusively on their research objectives. This role involves managing vendor relationships and optimizing service delivery models to maximize efficiency across the campus. Alyssa Petrone coordinates with other executive leaders to ensure that support services align with the laboratory's strategic goals. Through proactive management of infrastructure and service requests, Petrone maintains the operational integrity of the facility. The Chief of Staff & Manager, Support Services drives continuous improvement in service quality, ensuring that the laboratory remains a premier destination for discovery science and transformative technology.

    Andrea Reed - Chief of Staff & Director, S Office

    Andrea Reed, the Chief of Staff & Director, S Office at Brookhaven National Laboratory, manages the strategic office operations and facilitates communication between the laboratory leadership and external stakeholders. Reed oversees the execution of high-level initiatives that support the laboratory's mission of delivering discovery science. By coordinating the activities of the S Office, the Chief of Staff & Director, S Office ensures that institutional priorities are clearly communicated and effectively implemented across all departments. This role involves managing complex schedules, preparing executive briefings, and overseeing special projects that require cross-departmental collaboration. Andrea Reed maintains a focus on organizational alignment, ensuring that all efforts contribute to the laboratory's long-term success. Through strategic planning and effective management, Reed supports the laboratory's commitment to national energy and security research. The Chief of Staff & Director, S Office drives institutional excellence by fostering a culture of collaboration and strategic focus.

    David Salbego - Division Chief Information Officer, Information Technology

    David Salbego, the Division Chief Information Officer, Information Technology at Brookhaven National Laboratory, architects the digital infrastructure and cybersecurity frameworks necessary for high-performance scientific computing. Salbego oversees the management of data centers, network systems, and software applications that support the laboratory's research and administrative functions. By implementing advanced IT solutions, the Division Chief Information Officer, Information Technology enables the rapid processing and analysis of complex scientific data. This role involves managing cybersecurity protocols to protect sensitive research and institutional information. David Salbego collaborates with research teams to provide the computational power required for groundbreaking discoveries. Through strategic investment in information technology, Salbego ensures that the laboratory remains at the cutting edge of digital innovation. The Division Chief Information Officer, Information Technology drives institutional efficiency by modernizing IT systems and fostering a secure, high-performance computing environment that supports the laboratory's mission of delivering transformative technology.

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    Frequently Asked Questions Regarding Brookhaven National Laboratory Top Executives and Leadership Team

    Who leads Brookhaven National Laboratory?
    Brookhaven National Laboratory is led by Joseph Labas (Quality Directorate Manager, Business Services & Chief Financial Officer, Reporting To The), along with executives such as Kristen Rubino (Chief Operating Officer, Directorate, Discovery Technologies Directorate) and Shresht Joshi (Chief Operating Officer, Directorate, Discovery Technologies Directorate).
    Who is part of Brookhaven National Laboratory’s executive team?
    The executive team of Brookhaven National Laboratory includes leaders such as Joseph Labas (Quality Directorate Manager, Business Services & Chief Financial Officer, Reporting To The), Kristen Rubino (Chief Operating Officer, Directorate, Discovery Technologies Directorate), Shresht Joshi (Chief Operating Officer, Directorate, Discovery Technologies Directorate) and other senior executives.
    How many executives does Brookhaven National Laboratory have?
    Brookhaven National Laboratory has 10 executives leading key business areas.
    What roles are included in Brookhaven National Laboratory’s leadership team?
    The leadership team of Brookhaven National Laboratory includes roles such as Quality Directorate Manager, Business Services & Chief Financial Officer, Reporting To The, Chief Operating Officer, Directorate, Discovery Technologies Directorate, Chief Operating Officer, Directorate, Discovery Technologies Directorate, Chief Operating Officer, Directorate, Facilities & Operations, Directorate Chief Operating Officer, Nuclear and Particle Physics.