Tufts Medicine Executive and Leadership Team

June, 2026

Leadership Overview

Tufts Medicine has 10 executives leading key functions including strategy, operations, information technology, human resources, marketing, medical affairs, legal, and hospital administration.

Driven by a commitment to integrated care, Tufts Medicine delivers exceptional and accessible healthcare by uniting academic and community medical expertise to treat complex conditions and advance research.

Leadership Roles at Tufts Medicine

  • President & Chief Executive Officer - Michael Dandorph
  • Chief Operating Officer - Phillip Okala
  • President, MelroseWakefield and Lawrence Memorial Hospitals - William Wyman
  • President - Erika Werner
  • Senior Vice President and Chief Information Officer - Scott Simeone
  • Executive Vice President & Chief Human Resources Officer - Sabrina Granville
  • Chief Marketing Officer & Senior VP, Medical Staff - Erik Garpestad
  • Interim Chief Medical Officer - Frank Osborn
  • Executive Vice President & Chief Legal Officer - Zachary Redmond
  • Quan Ly Nhân Sự - Tri Le
  • Michael Dandorph - President & Chief Executive Officer

    Michael Dandorph, the President & Chief Executive Officer at Tufts Medicine, directs the overarching strategy and operational execution for the integrated healthcare system. Dandorph guides the organization's mission to deliver exceptional, connected, and accessible care across its academic and community medical facilities. This leadership involves fostering collaboration among Tufts Medical Center, its affiliated hospitals, and the network of physicians to address the most complex medical conditions. By championing research breakthroughs and ensuring community health initiatives thrive, Dandorph shapes the future of healthcare delivery. The President & Chief Executive Officer ensures alignment with the organization's core values, driving innovation and operational excellence throughout Tufts Medicine. Michael Dandorph's vision propels the system's growth and commitment to patient well-being.

    Phillip Okala - Chief Operating Officer

    Phillip Okala, the Chief Operating Officer at Tufts Medicine, oversees the daily operations of the entire healthcare network, ensuring seamless integration between academic and community care settings. Okala manages the operational efficiency of Tufts Medical Center, Lowell General Hospital, MelroseWakefield Hospital, Lawrence Memorial Hospital, and Care at Home, alongside the extensive physician network. This role is critical in maintaining the high standards of patient care and operational excellence across all facilities. By optimizing resource allocation and streamlining processes, the Chief Operating Officer enhances the delivery of connected and accessible healthcare services. Phillip Okala's leadership ensures that the complex conditions treated and research breakthroughs advanced by Tufts Medicine are supported by robust operational frameworks. Okala drives initiatives that improve patient outcomes and operational performance.
    Phillip Okala

    William Wyman - President, MelroseWakefield and Lawrence Memorial Hospitals

    William Wyman, the President, MelroseWakefield and Lawrence Memorial Hospitals at Tufts Medicine, directs the strategic operations and clinical leadership for these key community hospitals within the integrated system. Wyman ensures these facilities provide exceptional, connected, and accessible care to their respective communities, upholding the standards set by Tufts Medicine. This leadership role involves optimizing hospital performance, fostering strong physician relationships, and driving initiatives that enhance patient outcomes. The President, MelroseWakefield and Lawrence Memorial Hospitals plays a vital part in extending Tufts Medicine's reach and impact. William Wyman's focus is on strengthening the operational and clinical capabilities of these hospitals to meet evolving healthcare needs. Wyman leads the strategic direction for these community hospitals.

    Erika Werner - President

    Erika Werner, the President at Tufts Medicine, oversees specific strategic initiatives and operational areas critical to the organization's mission of delivering exceptional, connected, and accessible care. Werner's leadership focuses on advancing key programs and ensuring the seamless integration of services across the Tufts Medicine network. This role is instrumental in driving growth and innovation within the healthcare system. The President collaborates with other executive leaders to enhance patient experience and operational efficiency. Erika Werner's contributions are vital to maintaining Tufts Medicine's commitment to treating complex conditions and advancing medical research. Werner drives strategic program development and operational alignment.

    Scott Simeone - Senior Vice President and Chief Information Officer

    Scott Simeone, the Senior Vice President and Chief Information Officer at Tufts Medicine, architects and executes the technology strategy that underpins the organization's integrated care model. Simeone directs the development and implementation of advanced information systems, ensuring secure and efficient data management across all Tufts Medicine entities, including its hospitals and physician network. This leadership role is vital for connecting care, enabling research, and enhancing patient access through digital innovation. The Senior Vice President and Chief Information Officer oversees cybersecurity, electronic health records, and telehealth platforms, crucial for treating complex conditions and advancing medical research. Scott Simeone's focus on technological advancement ensures Tufts Medicine remains at the forefront of healthcare innovation, supporting seamless operations and data-driven decision-making. Simeone drives digital transformation initiatives.

    Sabrina Granville - Executive Vice President & Chief Human Resources Officer

    Sabrina Granville, the Executive Vice President & Chief Human Resources Officer at Tufts Medicine, leads the strategic development and execution of all human capital initiatives across the integrated healthcare system. Granville is responsible for cultivating a high-performing workforce, fostering a culture of excellence, and ensuring robust talent management strategies that support the delivery of exceptional care. This executive leadership role encompasses recruitment, employee relations, compensation, benefits, and professional development for the thousands of employees and affiliated physicians. Sabrina Granville's expertise is critical in attracting and retaining top talent needed to treat complex conditions and drive research breakthroughs. The Executive Vice President & Chief Human Resources Officer ensures that Tufts Medicine's workforce is equipped and motivated to uphold the organization's mission of connected and accessible healthcare. Granville champions employee engagement and organizational development.
    Sabrina Granville

    Erik Garpestad - Chief Marketing Officer & Senior VP, Medical Staff

    Erik Garpestad, the Chief Marketing Officer & Senior VP, Medical Staff at Tufts Medicine, directs comprehensive marketing strategies and oversees critical relationships with the medical staff to enhance the organization's brand and patient engagement. Garpestad leads initiatives to communicate the value of Tufts Medicine's integrated approach, connecting academic and community care to attract patients seeking treatment for complex conditions. This dual role ensures that marketing efforts are aligned with the needs and perspectives of the physician network, fostering collaboration and growth. The Chief Marketing Officer & Senior VP, Medical Staff drives patient acquisition and retention strategies, while also supporting physician recruitment and retention. Erik Garpestad's leadership ensures Tufts Medicine's mission of delivering exceptional, accessible care is effectively communicated to all stakeholders. Garpestad champions strategic communication and physician relations.

    Frank Osborn - Interim Chief Medical Officer

    Frank Osborn, the Interim Chief Medical Officer at Tufts Medicine, provides critical medical leadership and strategic direction for clinical operations across the integrated healthcare system. Osborn ensures the highest standards of patient care are maintained, guiding clinical protocols and quality improvement initiatives that support the treatment of complex conditions. This role is essential for aligning the medical expertise of Tufts Medical Center and its affiliated hospitals with the organization's mission of delivering connected and accessible healthcare. The Interim Chief Medical Officer collaborates closely with hospital leadership and the physician network to advance medical practice and patient safety. Frank Osborn's oversight is crucial for translating research breakthroughs into clinical practice and maintaining clinical excellence throughout Tufts Medicine. Osborn focuses on clinical quality and patient safety.
    Zachary Redmond, the Executive Vice President & Chief Legal Officer at Tufts Medicine, provides comprehensive legal counsel and strategic guidance on all matters affecting the organization. Redmond oversees the legal framework that supports Tufts Medicine's mission of delivering exceptional, connected, and accessible care, ensuring compliance with healthcare regulations and mitigating risk across its hospitals and physician network. This critical role involves managing litigation, advising on corporate governance, and supporting complex transactions. The Executive Vice President & Chief Legal Officer safeguards the organization's interests and upholds its ethical standards. Zachary Redmond's expertise is essential for navigating the intricate legal landscape of healthcare, enabling Tufts Medicine to focus on treating complex conditions and advancing research. Redmond ensures legal integrity and strategic compliance.

    Tri Le - Quan Ly Nhân Sự

    Tri Le, the Quan Ly Nhân Sự at Tufts Medicine, manages human resources functions within the organization, focusing on employee relations and workforce development. Le supports the operational needs of the integrated healthcare system by ensuring effective human capital management practices. This role contributes to maintaining a skilled and dedicated team essential for delivering exceptional and accessible care. The Quan Ly Nhân Sự oversees specific HR processes that support the broader objectives of Tufts Medicine. Tri Le's efforts aid in fostering a positive work environment and ensuring compliance with HR policies across the network. Le contributes to the effective management of personnel.

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    Frequently Asked Questions Regarding Tufts Medicine Top Executives and Leadership Team

    Who leads Tufts Medicine?
    Tufts Medicine is led by Michael Dandorph (President & Chief Executive Officer), along with executives such as Phillip Okala (Chief Operating Officer) and William Wyman (President, MelroseWakefield and Lawrence Memorial Hospitals).
    Who is part of Tufts Medicine’s executive team?
    The executive team of Tufts Medicine includes leaders such as Michael Dandorph (President & Chief Executive Officer), Phillip Okala (Chief Operating Officer), William Wyman (President, MelroseWakefield and Lawrence Memorial Hospitals) and other senior executives.
    How many executives does Tufts Medicine have?
    Tufts Medicine has 10 executives leading key business areas.
    What roles are included in Tufts Medicine’s leadership team?
    The leadership team of Tufts Medicine includes roles such as President & Chief Executive Officer, Chief Operating Officer, President, MelroseWakefield and Lawrence Memorial Hospitals, President, Senior Vice President and Chief Information Officer.