Mass General Brigham Executive and Leadership Team

July, 2026

Leadership Overview

Mass General Brigham has 10 executives leading key functions including strategy, operations, and finance.

Driven by a commitment to advancing patient care, Mass General Brigham integrates medical excellence, research, and education to improve health outcomes across its communities.

Leadership Roles at Mass General Brigham

  • President & Chief Executive Officer - Rosanne Klibanski
  • Senior Vice President and Chief Financial Officer, Community, Specialty and Ambulatory Division - Vincent McDermott
  • Chief Financial Officer & Treasurer - Niyum Gandhi
  • President & Chief Operating Officer - Kevin Whitney
  • Chief Operating Officer, SRN - Ruel Jackson
  • Associate Chief Operating Officer, Clinical Operations - Denise Gee
  • Associate Chief of Staff, MGB Development, Office of the President, Academic Medical Centers - Zack Fitzgerald
  • Director and Site Chief Information Officer - Egan Visker
  • Group Chief Information Officer, Mass General Brigham Medical & Community Physicians - Laurie Hassan
  • Chief of Staff & Vice President, Corporate Service - Katharine Leeson
  • 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. Klibanski guides the organization's mission to advance patient care, medical research, and professional education, ensuring a unified approach across its diverse network of academic medical centers, community hospitals, and specialty facilities. This leadership involves fostering innovation and maintaining the highest standards of quality and accessibility for the communities served. The President & Chief Executive Officer ensures alignment with the organization's not-for-profit status and its commitment to improving health outcomes through coordinated, continuous care. Klibanski's strategic vision shapes the system's response to evolving healthcare landscapes and its role as a major teaching affiliate of Harvard Medical School, driving the translation of scientific discoveries into clinical applications. Rosanne Klibanski's executive oversight is critical for maintaining the organization's position at the forefront of academic medicine and patient-centered healthcare delivery.
    Rosanne Klibanski

    Vincent McDermott - Senior Vice President and Chief Financial Officer, Community, Specialty and Ambulatory Division

    Vincent McDermott, the Senior Vice President and Chief Financial Officer, Community, Specialty and Ambulatory Division at Mass General Brigham, manages the financial health and strategic fiscal planning for the system's community hospitals, specialty facilities, and outpatient services. McDermott oversees budgeting, financial reporting, and resource management to ensure the sustainability and growth of these critical care components. This leadership position involves developing financial strategies that support Mass General Brigham's mission of accessible, high-quality patient care. The Senior Vice President and Chief Financial Officer works to optimize financial performance while upholding the organization's not-for-profit commitments. Vincent McDermott's financial acumen is essential for driving efficiency and innovation within the community, specialty, and ambulatory settings, ensuring these divisions effectively contribute to the overall organizational goals and patient well-being.
    Vincent McDermott

    Niyum Gandhi - Chief Financial Officer & Treasurer

    Niyum Gandhi, the Chief Financial Officer & Treasurer at Mass General Brigham, holds primary responsibility for the financial strategy, management, and fiscal health of the entire integrated healthcare system. Gandhi oversees all financial operations, including budgeting, forecasting, investment management, and capital planning, ensuring the organization's financial stability and long-term sustainability. This executive role is critical in supporting Mass General Brigham's mission of advancing patient care, medical research, and professional education while maintaining its not-for-profit status. The Chief Financial Officer & Treasurer works to optimize financial resources, manage risk, and ensure compliance with all financial regulations. Niyum Gandhi's leadership guides the financial direction of the organization, enabling strategic investments in innovation, technology, and infrastructure to enhance care delivery and research capabilities across the network.
    Niyum Gandhi

    Kevin Whitney - President & Chief Operating Officer

    Kevin Whitney, the President & Chief Operating Officer at Mass General Brigham, directs the day-to-day operations and ensures the efficient functioning of the integrated healthcare system. Whitney's leadership focuses on optimizing clinical operations, enhancing patient experience, and driving operational excellence across all facilities, including academic medical centers, community hospitals, and specialty services. This role involves managing resource allocation, implementing process improvements, and ensuring seamless coordination of care delivery. The President & Chief Operating Officer plays a crucial part in translating the organization's strategic objectives into actionable operational plans. Kevin Whitney's oversight extends to maintaining high standards of quality and safety, supporting the system's commitment to research and education. Whitney's executive management is vital for the effective execution of Mass General Brigham's mission to improve health outcomes and accessibility.

    Ruel Jackson - Chief Operating Officer, SRN

    Ruel Jackson, the Chief Operating Officer, SRN at Mass General Brigham, directs the operational strategies and execution for the Brigham and Women's Hospital (BWH) and its affiliated sites, often referred to as SRN (Strategic Regional Network). Jackson oversees the day-to-day management of clinical and administrative functions, ensuring the delivery of high-quality patient care and operational efficiency. This leadership role involves optimizing resource utilization, implementing best practices, and driving continuous improvement across the SRN network. The Chief Operating Officer, SRN works to align operational goals with the broader mission of Mass General Brigham, focusing on patient safety, service excellence, and financial stewardship. Ruel Jackson's operational leadership is critical for the effective functioning and strategic advancement of the SRN component of the integrated healthcare system.

    Denise Gee - Associate Chief Operating Officer, Clinical Operations

    Denise Gee, the Associate Chief Operating Officer, Clinical Operations at Mass General Brigham, focuses on optimizing the efficiency and effectiveness of clinical services across the healthcare system. Gee's responsibilities include overseeing the implementation of operational improvements, managing patient flow, and ensuring the seamless delivery of care within clinical settings. This role is crucial for enhancing patient experience and supporting the clinical teams in providing high-quality, coordinated healthcare. The Associate Chief Operating Officer, Clinical Operations works to streamline processes, allocate resources effectively, and foster a culture of continuous improvement. Denise Gee's leadership contributes directly to the operational excellence of Mass General Brigham, ensuring that clinical departments function cohesively to meet patient needs and advance the organization's mission.

    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, supports the strategic development and operational initiatives within the organization's academic medical centers. Fitzgerald works closely with the President's office to advance key projects and programs that enhance medical research, professional education, and patient care. This role involves coordinating efforts across various departments and ensuring alignment with the system's academic mission and research objectives. The Associate Chief of Staff contributes to the growth and innovation within these leading institutions. Zack Fitzgerald's focus on development within the academic medical centers is crucial for fostering advancements in healthcare and maintaining Mass General Brigham's position as a premier teaching affiliate of Harvard Medical School.

    Egan Visker - Director and Site Chief Information Officer

    Egan Visker, the Director and Site Chief Information Officer at Mass General Brigham, oversees the strategic implementation and management of information technology systems across specific sites within the healthcare network. Visker ensures that technology infrastructure supports the delivery of advanced patient care, facilitates medical research, and enhances professional education initiatives. This role involves directing the integration of digital solutions to improve operational efficiency and patient engagement. The Director and Site Chief Information Officer works to maintain robust cybersecurity measures and data integrity, safeguarding sensitive patient information. Visker's leadership focuses on leveraging technological advancements to streamline clinical workflows and support the organization's academic mission. Egan Visker's responsibilities include managing IT resources, developing technology roadmaps, and ensuring seamless connectivity across various healthcare facilities to support Mass General Brigham's comprehensive care model.

    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, directs the information technology strategy and operations specifically for the physician groups within the Mass General Brigham network. Hassan ensures that technology solutions effectively support clinical workflows, enhance patient care delivery, and facilitate seamless communication among physicians and care teams. This leadership role involves overseeing the implementation and maintenance of electronic health records, data analytics platforms, and other critical IT systems. The Group Chief Information Officer works to align technology initiatives with the clinical and operational needs of Mass General Brigham's medical and community physicians. Laurie Hassan's expertise is vital for driving digital transformation and ensuring that technology empowers physicians to provide exceptional, coordinated care across the system.

    Katharine Leeson - Chief of Staff & Vice President, Corporate Service

    Katharine Leeson, the Chief of Staff & Vice President, Corporate Service at Mass General Brigham, provides strategic support and oversees critical corporate functions that enable the organization's overall mission. Leeson works closely with executive leadership to drive key initiatives, manage special projects, and ensure the efficient operation of corporate services. This role involves coordinating efforts across various departments to support Mass General Brigham's strategic objectives in patient care, research, and education. The Chief of Staff & Vice President, Corporate Service plays a vital part in facilitating communication and decision-making at the highest levels. Katharine Leeson's leadership ensures that corporate services are aligned with the organization's goals, contributing to its effectiveness and its commitment to advancing healthcare.

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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 Vincent McDermott (Senior Vice President and Chief Financial Officer, Community, Specialty and Ambulatory Division) and Niyum Gandhi (Chief Financial Officer & Treasurer).
    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), Vincent McDermott (Senior Vice President and Chief Financial Officer, Community, Specialty and Ambulatory Division), Niyum Gandhi (Chief Financial Officer & Treasurer) 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, Senior Vice President and Chief Financial Officer, Community, Specialty and Ambulatory Division, Chief Financial Officer & Treasurer, President & Chief Operating Officer, Chief Operating Officer, SRN.