Mass General Brigham Executive and Leadership Team

August, 2026

Leadership Overview

Mass General Brigham has 8 executives leading key functions including strategy, information technology, finance, technology, operations, human resources, and academic medical centers.

Driven by a commitment to advancing health, Mass General Brigham integrates patient care, research, and education to improve community well-being through innovation and accessibility.

Leadership Roles at Mass General Brigham

  • President & Chief Executive Officer - Rosanne Klibanski
  • Chief Financial Officer - David Lagasse
  • Chief Operating Officer - Kathleen Judge
  • Senior Director, Operations & To The Chief of Staff & Chief Operating Officer, Amc & System Services - Rebecca Shait
  • Associate Chief of Staff, MGB Development, Office of the President, Academic Medical Centers - Zack Fitzgerald
  • Chief Information Officer - Brian Blackman
  • Chief Technology Officer - Steven Flammini
  • Chief Human Resources Officer - Mary Schopp
  • Director and Site Chief Information Officer - Egan Visker
  • Group Chief Information Officer, Mass General Brigham Medical & Community Physicians - Laurie Hassan
  • Rosanne Klibanski - President & Chief Executive Officer

    Rosanne Klibanski, the President & Chief Executive Officer at Mass General Brigham, directs the overarching strategy and operational execution for the integrated healthcare system. Overseeing all facets of patient care, medical research, and professional education, Klibanski ensures alignment with the organization's not-for-profit mission to improve health outcomes across its communities. This leadership role involves fostering innovation and maintaining the highest standards of quality and accessibility in healthcare delivery. By championing the integration of academic medical centers, community hospitals, and specialty facilities, Klibanski drives coordinated and continuous care throughout the network. The President & Chief Executive Officer's strategic vision supports Mass General Brigham's significant role in academic medicine, particularly its affiliation with Harvard Medical School, thereby advancing medical knowledge and clinical applications. Rosanne Klibanski's leadership solidifies the organization's commitment to translating scientific discoveries into tangible patient benefits.
    Rosanne Klibanski

    David Lagasse - Chief Financial Officer

    David Lagasse, the Chief Financial Officer at Mass General Brigham, directs all financial operations and fiscal strategy for the integrated healthcare system. Overseeing budgeting, financial planning, and resource allocation, Lagasse ensures the organization's financial health and sustainability, supporting its not-for-profit mission. This leadership position is crucial for maintaining the quality, accessibility, and innovation of patient care, research, and education. By managing financial resources effectively across academic medical centers, community hospitals, and specialty facilities, the Chief Financial Officer enables the delivery of coordinated and continuous care. Lagasse's financial acumen supports Mass General Brigham's significant investments in medical research and professional training, reinforcing its role as a leading academic medical institution. David Lagasse's stewardship of financial resources is fundamental to the organization's long-term growth and impact.
    David Lagasse

    Kathleen Judge - Chief Operating Officer

    Kathleen Judge, the Chief Operating Officer at Mass General Brigham, oversees the day-to-day operational management of the integrated healthcare system. Directing the efficient functioning of all hospitals, specialty facilities, and outpatient services, Judge ensures the seamless delivery of patient care, research, and education. This leadership role is critical for maintaining high standards of quality, accessibility, and innovation across the network. By optimizing operational processes and resource utilization, the Chief Operating Officer facilitates coordinated and continuous care for the communities served. Judge's operational oversight supports Mass General Brigham's academic mission, ensuring that clinical operations align with research initiatives and educational programs. Kathleen Judge's strategic management of operations is fundamental to the organization's mission of advancing health and medical knowledge.

    Rebecca Shait - Senior Director, Operations & To The Chief of Staff & Chief Operating Officer, Amc & System Services

    Rebecca Shait, the Senior Director, Operations & To The Chief of Staff & Chief Operating Officer, Amc & System Services at Mass General Brigham, provides critical operational support and strategic coordination for academic medical centers and system-wide services. Overseeing key initiatives and ensuring alignment between the Chief of Staff and Chief Operating Officer's objectives, Shait drives efficiency and effectiveness across complex healthcare operations. This role is instrumental in managing the integration of services, enhancing patient care delivery, and supporting research and educational endeavors. By facilitating communication and streamlining processes, Rebecca Shait contributes significantly to the coordinated and continuous care model that defines Mass General Brigham. Shait's operational expertise ensures that system services effectively support the organization's mission to advance health and medical knowledge.
    Rebecca Shait

    Zack Fitzgerald - Associate Chief of Staff, MGB Development, Office of the President, Academic Medical Centers

    Zack Fitzgerald, the Associate Chief of Staff, MGB Development, Office of the President, Academic Medical Centers at Mass General Brigham, drives strategic development initiatives within the organization's academic medical centers. Working closely with the President's office, Fitzgerald focuses on advancing the mission of patient care, medical research, and professional education. This leadership position is key to fostering growth and innovation within the academic components of the healthcare system. By developing and implementing strategic plans, Zack Fitzgerald enhances the capabilities of Mass General Brigham's academic medical centers, ensuring they remain at the forefront of medical discovery and training. Fitzgerald's contributions are vital to the organization's commitment to translating scientific advancements into improved patient outcomes and expanded medical knowledge.

    Brian Blackman - Chief Information Officer

    Brian Blackman, the Chief Information Officer at Mass General Brigham, architects and executes the enterprise-wide information technology strategy. Overseeing all digital infrastructure and data management, Blackman ensures robust, secure, and scalable systems that support advanced patient care, groundbreaking research, and efficient professional education. This critical role involves driving technological innovation to enhance operational efficiency and patient experience across the integrated healthcare network. By managing the deployment of new technologies and optimizing existing systems, the Chief Information Officer directly impacts the organization's ability to deliver coordinated and continuous care. Blackman's leadership ensures that Mass General Brigham's IT capabilities are at the forefront of healthcare technology, supporting its mission to improve health outcomes and advance medical knowledge. Brian Blackman's strategic direction is vital for maintaining the competitive edge in a rapidly evolving digital healthcare landscape.

    Steven Flammini - Chief Technology Officer

    Steven Flammini, the Chief Technology Officer at Mass General Brigham, spearheads the development and implementation of cutting-edge technological solutions across the healthcare system. Overseeing technology innovation and infrastructure, Flammini ensures that Mass General Brigham remains at the forefront of medical advancements and operational efficiency. This role is pivotal in translating scientific discoveries into clinical applications, thereby enhancing patient care and research outcomes. By driving the adoption of new technologies, the Chief Technology Officer supports the integration of academic medical centers, community hospitals, and specialty facilities, facilitating coordinated and continuous care. Flammini's focus on technological advancement strengthens the organization's capacity for medical research and professional education, reinforcing its academic mission. Steven Flammini's expertise is essential for maintaining Mass General Brigham's leadership in healthcare innovation.

    Mary Schopp - Chief Human Resources Officer

    Mary Schopp, the Chief Human Resources Officer at Mass General Brigham, leads the strategic direction and operational execution of all human resources functions for the integrated healthcare system. Overseeing talent acquisition, development, employee relations, and compensation, Schopp ensures a robust and supportive workforce dedicated to the organization's mission. This role is critical for attracting and retaining top medical talent, fostering a culture of excellence, and driving professional education initiatives. By developing and implementing comprehensive HR strategies, the Chief Human Resources Officer supports the coordinated delivery of patient care and the advancement of medical research. Schopp's leadership cultivates an environment where employees can thrive, contributing to Mass General Brigham's reputation as a leading academic medical institution. Mary Schopp's commitment to human capital is essential for the organization's continued success and impact.

    Egan Visker - Director and Site Chief Information Officer

    Egan Visker, the Director and Site Chief Information Officer at Mass General Brigham, directs information technology strategy and operations for specific sites within the integrated healthcare system. Overseeing the implementation and management of IT infrastructure, Visker ensures that technology effectively supports patient care, research, and educational activities at the site level. This role is crucial for maintaining data integrity, system security, and technological innovation to enhance operational efficiency. By aligning site-specific IT needs with broader organizational goals, Egan Visker facilitates the seamless delivery of coordinated care. Visker's leadership ensures that technology serves as a powerful enabler for Mass General Brigham's mission to advance health and medical knowledge, supporting both clinical practice and academic pursuits.

    Laurie Hassan - Group Chief Information Officer, Mass General Brigham Medical & Community Physicians

    Laurie Hassan, the Group Chief Information Officer, Mass General Brigham Medical & Community Physicians at Mass General Brigham, leads the information technology strategy and implementation for the physician groups across the system. Overseeing the technological infrastructure and digital solutions supporting medical and community physicians, Hassan ensures seamless integration with broader Mass General Brigham systems. This role is vital for enhancing clinical workflows, improving patient engagement, and supporting the delivery of high-quality, accessible care. By driving technological advancements tailored to physician needs, Laurie Hassan directly contributes to the organization's mission of advancing patient care and medical research. Hassan's strategic IT leadership ensures that physicians have the tools necessary to excel in their practice and contribute to the system's academic and clinical objectives.

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    Frequently Asked Questions Regarding Mass General Brigham Top Executives and Leadership Team

    Who leads Mass General Brigham?
    Mass General Brigham is led by Rosanne Klibanski (President & Chief Executive Officer), along with executives such as David Lagasse (Chief Financial Officer) and Kathleen Judge (Chief Operating Officer).
    Who is part of Mass General Brigham’s executive team?
    The executive team of Mass General Brigham includes leaders such as Rosanne Klibanski (President & Chief Executive Officer), David Lagasse (Chief Financial Officer), Kathleen Judge (Chief Operating Officer) and other senior executives.
    How many executives does Mass General Brigham have?
    Mass General Brigham has 10 executives leading key business areas.
    What roles are included in Mass General Brigham’s leadership team?
    The leadership team of Mass General Brigham includes roles such as President & Chief Executive Officer, Chief Financial Officer, Chief Operating Officer, Senior Director, Operations & To The Chief of Staff & Chief Operating Officer, Amc & System Services, Associate Chief of Staff, MGB Development, Office of the President, Academic Medical Centers.