Massachusetts General Hospital Executive and Leadership Team

July, 2026

Leadership Overview

Massachusetts General Hospital has 8 executives leading key functions including operations, finance, medical affairs, and governance.

Driven by a commitment to patient care and medical advancement, Massachusetts General Hospital upholds a philosophy of collaborative leadership and pioneering research to deliver world-class healthcare and foster innovation across the medical field.

Leadership Roles at Massachusetts General Hospital

  • Chief Financial Officer - Michael Dennis
  • Chief Financial Officer, Emeritus - James Heffernan
  • Chief Operating Officer - Elizabeth Lancaster
  • Chairman of the President's Council - Joseph Ciffolillo
  • President, Chinese Scientists and Staff Association - Ji Wang
  • Member of MGH President's Council - Isabelle Loring
  • Chief Medical Officer, Academic Medical Centers - William Curry
  • Associate Chief Medical Officer - Lauren Nentwich
  • Michael Dennis - Chief Financial Officer

    Michael Dennis, the Chief Financial Officer at Massachusetts General Hospital, manages the institution's comprehensive financial strategy and operations. Overseeing all fiscal activities, Dennis ensures robust financial health and sustainability for this prominent academic medical center. This critical role involves strategic financial planning, budget management, and investment oversight to support Mass General's cutting-edge medical research and world-class patient care initiatives. By guiding financial decisions, Michael Dennis directly contributes to the hospital's ability to innovate and expand its healthcare services. The Chief Financial Officer's responsibilities include financial reporting, risk management, and optimizing revenue cycles to align with the hospital's mission and its affiliation with Harvard Medical School. Dennis's leadership ensures the financial integrity necessary for continued growth and excellence in medicine.

    James Heffernan - Chief Financial Officer, Emeritus

    James Heffernan, the Chief Financial Officer, Emeritus at Massachusetts General Hospital, provides invaluable historical financial perspective and strategic guidance. While no longer holding direct operational control, Heffernan's emeritus role supports the ongoing financial stewardship of this leading academic medical center. This position leverages extensive experience to advise on long-term financial planning and institutional sustainability, ensuring the continued delivery of comprehensive healthcare services and support for cutting-edge medical research. James Heffernan's emeritus contributions assist Mass General in maintaining its commitment to world-class care and innovation. The emeritus status allows for the application of deep financial acumen to complex challenges, reinforcing the hospital's strong fiscal foundation and its affiliation with Harvard Medical School. Heffernan's legacy informs current financial strategies.

    Elizabeth Lancaster - Chief Operating Officer

    Elizabeth Lancaster, the Chief Operating Officer at Massachusetts General Hospital, directs all operational facets of this leading academic medical center. Overseeing daily functions, Lancaster ensures the seamless delivery of comprehensive healthcare services across all departments. This leadership role involves optimizing resource allocation and streamlining workflows to enhance patient care efficiency and institutional effectiveness. By managing the hospital's operational infrastructure, Lancaster directly supports Mass General's mission of providing world-class care and driving medical innovation. The Chief Operating Officer's strategic oversight extends to facility management, patient flow, and the implementation of operational improvements that align with the hospital's commitment to excellence and its affiliation with Harvard Medical School. Elizabeth Lancaster's focus remains on maintaining the highest standards of service delivery and operational integrity.

    Joseph Ciffolillo - Chairman of the President's Council

    Joseph Ciffolillo, the Chairman of the President's Council at Massachusetts General Hospital, leads a vital governance body focused on institutional advancement and strategic oversight. Presiding over council meetings, Ciffolillo facilitates discussions and decision-making that support Mass General's mission of comprehensive healthcare, pioneering research, and medical education. This leadership position involves guiding the council's engagement with hospital leadership to ensure alignment with long-term objectives and the highest standards of care. Joseph Ciffolillo's role is instrumental in fostering a collaborative environment between the council and the hospital's executive team, reinforcing the institution's commitment to innovation and world-class patient services. The Chairman's influence extends to strategic planning and ensuring the hospital's continued leadership within the academic medical community and its affiliation with Harvard Medical School.

    Ji Wang - President, Chinese Scientists and Staff Association

    Ji Wang, the President, Chinese Scientists and Staff Association at Massachusetts General Hospital, leads an important internal organization dedicated to fostering community and professional development. Overseeing the association's initiatives, Wang supports the engagement and collaboration of Chinese scientists and staff within this leading academic medical center. This role involves organizing events, facilitating networking opportunities, and advocating for the interests of association members, thereby contributing to a diverse and inclusive workplace culture. Ji Wang's leadership enhances the professional experience for staff, supporting Mass General's broader mission of medical innovation and world-class care. The President's focus is on strengthening connections and promoting mutual support among members, aligning with the hospital's commitment to its global workforce and its affiliation with Harvard Medical School.

    Isabelle Loring - Member of MGH President's Council

    Isabelle Loring, a Member of the MGH President's Council at Massachusetts General Hospital, contributes strategic insight and governance support to this leading academic medical center. Participating actively in council deliberations, Loring provides valuable perspectives on institutional priorities, patient care initiatives, and research endeavors. This role involves collaborating with fellow council members and hospital leadership to advance Mass General's mission of delivering comprehensive healthcare and driving medical innovation. Isabelle Loring's involvement ensures diverse viewpoints inform strategic decisions, reinforcing the hospital's commitment to excellence and its affiliation with Harvard Medical School. The council membership signifies a dedication to the hospital's long-term success and its position at the forefront of medical advancement.

    William Curry - Chief Medical Officer, Academic Medical Centers

    William Curry, the Chief Medical Officer, Academic Medical Centers at Massachusetts General Hospital, directs clinical strategy and medical affairs for this renowned institution. Overseeing the quality and delivery of patient care, Curry ensures adherence to the highest medical standards and fosters an environment of continuous clinical improvement. This pivotal role involves guiding medical staff, developing clinical protocols, and championing advancements in patient treatment and outcomes, directly supporting Mass General's mission of providing world-class care and conducting cutting-edge research. William Curry's leadership ensures clinical excellence and innovation across all medical disciplines. The Chief Medical Officer's responsibilities include physician leadership development, patient safety initiatives, and the integration of research findings into clinical practice, reinforcing the hospital's affiliation with Harvard Medical School. Curry drives medical excellence.
    William Curry

    Lauren Nentwich - Associate Chief Medical Officer

    Lauren Nentwich, the Associate Chief Medical Officer at Massachusetts General Hospital, supports the Chief Medical Officer in directing clinical operations and medical strategy. Overseeing specific clinical domains, Nentwich ensures the consistent delivery of high-quality patient care and promotes adherence to best medical practices across departments. This role is crucial for implementing clinical initiatives, enhancing patient safety protocols, and fostering an environment of continuous learning and development for medical staff, directly supporting Mass General's commitment to world-class care and cutting-edge research. Lauren Nentwich's contributions are vital to operationalizing clinical excellence and innovation. The Associate Chief Medical Officer works closely with leadership to refine treatment pathways and integrate research advancements into patient care, reinforcing the hospital's affiliation with Harvard Medical School. Nentwich drives clinical quality.

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    Frequently Asked Questions Regarding Massachusetts General Hospital Top Executives and Leadership Team

    Who leads Massachusetts General Hospital?
    Massachusetts General Hospital is led by Michael Dennis (Chief Financial Officer), along with executives such as James Heffernan (Chief Financial Officer, Emeritus) and Elizabeth Lancaster (Chief Operating Officer).
    Who is part of Massachusetts General Hospital’s executive team?
    The executive team of Massachusetts General Hospital includes leaders such as Michael Dennis (Chief Financial Officer), James Heffernan (Chief Financial Officer, Emeritus), Elizabeth Lancaster (Chief Operating Officer) and other senior executives.
    How many executives does Massachusetts General Hospital have?
    Massachusetts General Hospital has 8 executives leading key business areas.
    What roles are included in Massachusetts General Hospital’s leadership team?
    The leadership team of Massachusetts General Hospital includes roles such as Chief Financial Officer, Chief Financial Officer, Emeritus, Chief Operating Officer, Chairman of the President's Council, President, Chinese Scientists and Staff Association.