Brookhaven National Laboratory Executive and Leadership Team

September, 2026

Leadership Overview

Brookhaven National Laboratory has 10 executives leading key functions including strategy, operations, facilities management, and financial oversight.

Committed to advancing discovery science and transformative technology, Brookhaven National Laboratory secures the nation's future through pioneering research and multidisciplinary innovation across global scientific frontiers.

Leadership Roles at Brookhaven National Laboratory

  • Quality Directorate Manager, Business Services & Chief Financial Officer, Reporting To The - Joseph Labas
  • Chief Operating Officer, Directorate, Facilities & Operations - Michelle McQueen
  • Chief Operating Officer, Directorate, Discovery Technologies Directorate - Shresht Joshi
  • Directorate Chief Operating Officer - Michael Cowell
  • Chief Operating Officer, Directorate, Discovery Technologies Directorate - Kristen Rubino
  • Chief of Staff - Aaron Stein
  • Chief of Staff & Manager, Support Services - Alyssa Petrone
  • Division Chief Information Officer, Information Technology - David Salbego
  • Chief of Staff & Director, S Office - Andrea Reed
  • Deputy Director - Sarah Mahler
  • 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, oversees financial planning, reporting, and quality assurance protocols. Labas directs the fiscal strategy to ensure the laboratory maintains the resources needed for pioneering research. By managing financial risk and ensuring compliance with Department of Energy requirements, the Quality Directorate Manager, Business Services & Chief Financial Officer, Reporting To The protects the integrity of the institution. Joseph Labas implements quality management systems that improve business processes and operational transparency. This leadership role involves coordinating with the board and executive team to align financial performance with scientific objectives. Through the rigorous oversight of business services, the Quality Directorate Manager, Business Services & Chief Financial Officer, Reporting To The supports the delivery of discovery science. Labas ensures that all financial operations remain efficient, transparent, and focused on the long-term sustainability of the laboratory.

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

    Michelle McQueen, the Chief Operating Officer, Directorate, Facilities & Operations at Brookhaven National Laboratory, manages the physical infrastructure and operational support systems necessary for world-class research. McQueen directs the maintenance and modernization of laboratory facilities to ensure safety and efficiency. By overseeing complex site operations, the Chief Operating Officer, Directorate, Facilities & Operations enables scientists to conduct pioneering research without interruption. Michelle McQueen coordinates with engineering teams to implement sustainable practices and energy-efficient solutions across the campus. This leadership role involves managing large-scale capital projects and ensuring compliance with federal safety regulations. Through the optimization of facility resources, the Chief Operating Officer, Directorate, Facilities & Operations supports the broader mission of delivering transformative technology. McQueen maintains a focus on operational resilience, ensuring that the infrastructure remains capable of supporting the next generation of scientific discovery and national security initiatives.
    Michelle McQueen

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

    Shresht Joshi, the Chief Operating Officer, Directorate, Discovery Technologies Directorate at Brookhaven National Laboratory, manages the operational framework for the development of advanced scientific technologies. Joshi directs the integration of new tools and methodologies into the research pipeline. By overseeing the technical infrastructure, the Chief Operating Officer, Directorate, Discovery Technologies Directorate ensures that discovery science remains at the cutting edge. Shresht Joshi coordinates with research leads to align technological capabilities with the mission of delivering transformative technology. This role involves managing resource allocation for high-tech projects and ensuring that the directorate meets its performance milestones. Through the optimization of technical operations, the Chief Operating Officer, Directorate, Discovery Technologies Directorate supports the laboratory in securing the nation's future. Joshi maintains a focus on innovation and efficiency, ensuring that the directorate remains a leader in the development of pioneering research tools and scientific solutions.

    Michael Cowell - Directorate Chief Operating Officer

    Michael Cowell, the Directorate Chief Operating Officer at Brookhaven National Laboratory, manages the operational execution of research programs within the directorate. Cowell directs the allocation of personnel and equipment to ensure that scientific projects meet their objectives. By streamlining internal processes, the Directorate Chief Operating Officer enhances the efficiency of the research environment. Michael Cowell coordinates with other C-suite leaders to align operational activities with the broader mission of delivering discovery science. This role involves managing complex logistics and ensuring that all research initiatives adhere to safety and quality standards. Through the optimization of directorate operations, the Directorate Chief Operating Officer supports the laboratory in its commitment to transformative technology. Cowell maintains a focus on continuous improvement, ensuring that the directorate remains capable of supporting pioneering research. Ultimately, the leadership provided by Cowell ensures that the laboratory maintains its position as a leader in scientific advancement.

    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 strategic deployment of resources for the discovery technologies division. Rubino directs the operational planning required to support the development of new scientific instruments and methodologies. By overseeing the day-to-day activities of the directorate, the Chief Operating Officer, Directorate, Discovery Technologies Directorate ensures that research teams have the support necessary for pioneering work. Kristen Rubino coordinates with technical leads to align project goals with the mission of delivering transformative technology. This role involves managing budget oversight and ensuring that the directorate maintains high standards of operational efficiency. Through the optimization of technical resources, the Chief Operating Officer, Directorate, Discovery Technologies Directorate supports the laboratory in its commitment to discovery science. Rubino maintains a focus on innovation, ensuring that the directorate remains at the forefront of technological development and scientific research.

    Aaron Stein - Chief of Staff

    Aaron Stein, the Chief of Staff at Brookhaven National Laboratory, manages the daily operations of the executive office and coordinates strategic planning efforts. Stein facilitates communication between senior leadership and various research departments to ensure operational efficiency. By streamlining administrative processes, the Chief of Staff enables the laboratory to focus on delivering discovery science and transformative technology. Aaron Stein monitors institutional performance metrics and provides actionable insights to the directorate. This role requires constant engagement with internal teams to resolve operational bottlenecks and improve organizational agility. Through the management of high-priority projects, the Chief of Staff supports the mission of the laboratory in securing the nation's future. Stein maintains alignment with the Department of Energy guidelines while fostering a culture of collaboration. Ultimately, the Chief of Staff drives the execution of strategic initiatives that maintain the reputation of the laboratory as a premier research institution.

    Alyssa Petrone - Chief of Staff & Manager, Support Services

    Alyssa Petrone, the Chief of Staff & Manager, Support Services at Brookhaven National Laboratory, directs the administrative and operational support functions that underpin scientific research. Petrone manages the delivery of essential services, ensuring that researchers have the resources required for high-impact discovery science. By optimizing support workflows, the Chief of Staff & Manager, Support Services enhances the overall productivity of the laboratory. Alyssa Petrone coordinates with various departments to align service delivery with the strategic goals of the institution. This role involves managing personnel and budget allocations to maintain high standards of operational support. Through the implementation of efficient administrative processes, the Chief of Staff & Manager, Support Services contributes to the mission of delivering transformative technology. Petrone ensures that all support activities remain compliant with federal standards while fostering a collaborative environment. Ultimately, the leadership provided by Petrone secures the operational foundation necessary for continued scientific excellence.

    David Salbego - Division Chief Information Officer, Information Technology

    David Salbego, the Division Chief Information Officer, Information Technology at Brookhaven National Laboratory, directs the digital infrastructure and cybersecurity strategies essential for modern research. Salbego manages the high-performance computing resources that enable complex data analysis and scientific modeling. By overseeing the information technology division, the Division Chief Information Officer, Information Technology ensures that the laboratory maintains secure and reliable access to critical research data. David Salbego implements advanced digital solutions to support the mission of delivering discovery science. This leadership role involves coordinating with scientific teams to provide the computational power necessary for breakthrough discoveries. Through the continuous improvement of IT systems, the Division Chief Information Officer, Information Technology supports the laboratory in its goal of developing transformative technology. Salbego ensures that all digital operations align with federal security standards while fostering an environment of technological innovation and data-driven research excellence.

    Andrea Reed - Chief of Staff & Director, S Office

    Andrea Reed, the Chief of Staff & Director, S Office at Brookhaven National Laboratory, manages the strategic operations and administrative functions of the office. Reed directs the flow of information and ensures that executive priorities are executed across the laboratory. By overseeing the S Office, the Chief of Staff & Director, S Office facilitates communication between the leadership team and the broader research community. Andrea Reed coordinates with internal stakeholders to align administrative support with the mission of delivering discovery science. This role involves managing high-level projects and ensuring that the laboratory remains focused on its core objectives. Through the effective management of the office, the Chief of Staff & Director, S Office supports the development of transformative technology. Reed maintains a focus on operational excellence, ensuring that the laboratory remains a leader in scientific research. Ultimately, the leadership provided by Reed ensures that the institution remains well-positioned for future success.

    Sarah Mahler - Deputy Director

    Sarah Mahler, the Deputy Director at Brookhaven National Laboratory, oversees high-level strategic initiatives and cross-functional alignment across the entire research enterprise. Mahler directs the implementation of long-term scientific goals, ensuring that laboratory resources support the mission of delivering discovery science. By coordinating with the Department of Energy, the Deputy Director maintains rigorous standards for operational excellence and research integrity. Sarah Mahler facilitates communication between the directorate and external stakeholders to advance the laboratory's national impact. This leadership role involves managing complex organizational structures to optimize scientific output and technological development. Through careful oversight of institutional priorities, the Deputy Director fosters an environment conducive to breakthrough discoveries. Mahler ensures that all research activities align with the broader objectives of the laboratory, ultimately strengthening the position of the institution as a leader in global scientific advancement and transformative technology development.

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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 Michelle McQueen (Chief Operating Officer, Directorate, Facilities & Operations) 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), Michelle McQueen (Chief Operating Officer, Directorate, Facilities & Operations), 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, Facilities & Operations, Chief Operating Officer, Directorate, Discovery Technologies Directorate, Directorate Chief Operating Officer, Chief Operating Officer, Directorate, Discovery Technologies Directorate.