Winchester Hospital Executive and Leadership Team

May, 2026

Leadership Overview

Winchester Hospital has 8 executives leading key functions including strategy, finance, operations, medical affairs, and market expansion.

Driven by a commitment to patient care, Winchester Hospital delivers essential medical specialties, focusing on advanced treatments and comprehensive rehabilitation to serve its community with excellence.

Leadership Roles at Winchester Hospital

  • Chief Executive Officer - Keith Long
  • Chief Financial Officer - Scott Luba
  • Executive Vice President & Chief Financial Officer, Amp - Steven Fischer
  • Chief Operating Officer - Matthew Hinkle
  • President - Diana Deering
  • President - Gabrielle Scott
  • President of the England Inpatient Specialists - Mohammed Jaleel
  • Chief Medical Officer - Sophie Chrisomalis
  • Keith Long - Chief Executive Officer

    Keith Long, the Chief Executive Officer at Winchester Hospital, directs the overall strategic vision and operational execution for the institution. Long oversees all major departments, ensuring alignment with the hospital's mission of providing high-quality medical care. This leadership role involves fostering innovation in patient services, managing key stakeholder relationships, and driving financial sustainability. By guiding the executive team, Keith Long ensures that Winchester Hospital remains at the forefront of medical specialties, including cardiology, oncology, and orthopedics. The Chief Executive Officer's responsibilities extend to championing advancements in healthcare delivery and maintaining the hospital's commitment to community well-being. Long's strategic direction shapes the hospital's growth and its capacity to offer specialized treatments across Massachusetts.

    Scott Luba - Chief Financial Officer

    Scott Luba, the Chief Financial Officer at Winchester Hospital, manages all financial operations and fiscal strategy. Luba directs budgeting, financial planning, and revenue cycle management to ensure the hospital's economic health. This critical role involves optimizing financial performance across all service lines, including cardiology, pulmonary medicine, and oncology. By overseeing financial resources, Scott Luba supports the hospital's ability to invest in advanced medical technologies and expand its specialized treatment offerings. The Chief Financial Officer's oversight ensures compliance with healthcare financial regulations and drives efficiency in resource allocation. Luba's financial acumen is essential for maintaining the hospital's operational capacity and its commitment to providing accessible, high-quality care throughout the region.

    Steven Fischer - Executive Vice President & Chief Financial Officer, Amp

    Steven Fischer, the Executive Vice President & Chief Financial Officer, Amp at Winchester Hospital, leads the financial strategy and oversight for specific amplified initiatives. Fischer directs financial planning, investment analysis, and resource allocation for key growth areas within the hospital's operations. This executive role involves ensuring fiscal responsibility and driving profitability for specialized programs, potentially including advanced oncology and pain management services. By managing financial frameworks, Steven Fischer supports the expansion of Winchester Hospital's medical specialties and its overall market competitiveness. The Executive Vice President & Chief Financial Officer, Amp's financial leadership is crucial for funding innovation and maintaining the hospital's robust service offerings. Fischer's expertise underpins the financial viability of strategic projects.

    Matthew Hinkle - Chief Operating Officer

    Matthew Hinkle, the Chief Operating Officer at Winchester Hospital, directs daily operations and service delivery across all clinical and administrative departments. Hinkle oversees the implementation of operational strategies that enhance patient care efficiency and safety, particularly within specialties like gastroenterology and orthopedics. This leadership position involves optimizing workflows, managing hospital resources, and ensuring seamless coordination between medical teams. By driving operational excellence, Matthew Hinkle supports the hospital's capacity to provide advanced rehabilitation and radiation oncology services. The Chief Operating Officer's focus on process improvement ensures that Winchester Hospital meets the evolving healthcare needs of its community. Hinkle's operational management is key to the hospital's reputation for effective and compassionate care.
    Matthew Hinkle

    Diana Deering - President

    Diana Deering, the President at Winchester Hospital, drives strategic initiatives and operational oversight across key hospital functions. Deering focuses on enhancing patient experience and ensuring the delivery of comprehensive medical services, from oncology to rehabilitation. This leadership position involves collaborating with executive teams to advance the hospital's mission and expand its reach within the Massachusetts healthcare landscape. By leading strategic planning, Diana Deering supports the integration of new medical technologies and treatment protocols. The President's role is instrumental in fostering partnerships and ensuring the hospital's continued growth and commitment to community health. Deering's leadership guides Winchester Hospital's pursuit of clinical excellence and patient-centered care.

    Gabrielle Scott - President

    Gabrielle Scott, the President at Winchester Hospital, spearheads strategic development and operational effectiveness for critical hospital divisions. Scott directs efforts to enhance service line performance, particularly in areas such as gastroenterology and orthopedics, ensuring alignment with patient needs and market demands. This executive position involves cultivating strong relationships with medical staff and community stakeholders to advance the hospital's objectives. By leading strategic planning, Gabrielle Scott contributes to Winchester Hospital's capacity for innovation and its commitment to providing specialized medical care. The President's focus on operational efficiency supports the hospital's mission to deliver high-quality, accessible healthcare. Scott's leadership ensures the sustained excellence of hospital services.

    Mohammed Jaleel - President of the England Inpatient Specialists

    Mohammed Jaleel, the President of the England Inpatient Specialists at Winchester Hospital, leads the specialized inpatient care services. Jaleel directs the operational strategy and clinical management for inpatient teams, focusing on delivering expert care in complex medical cases, potentially including pulmonary medicine and pain management. This leadership role involves ensuring seamless coordination among specialists and optimizing patient outcomes within the inpatient setting. By overseeing these critical services, Mohammed Jaleel enhances Winchester Hospital's capacity for advanced treatment and patient recovery. The President of the England Inpatient Specialists' dedication to quality care ensures that patients receive comprehensive support during their hospital stay. Jaleel's focus is on maintaining the highest standards of inpatient medical expertise.

    Sophie Chrisomalis - Chief Medical Officer

    Sophie Chrisomalis, the Chief Medical Officer at Winchester Hospital, guides clinical strategy and ensures the highest standards of patient care. Chrisomalis oversees medical staff, quality improvement initiatives, and the implementation of evidence-based practices across all specialties, including cardiology and pulmonary medicine. This vital role involves fostering a culture of clinical excellence and patient safety throughout the hospital. By leading medical affairs, Sophie Chrisomalis ensures that Winchester Hospital provides cutting-edge treatments and compassionate care. The Chief Medical Officer's responsibilities include promoting physician collaboration and advancing the hospital's reputation for medical expertise. Chrisomalis's clinical leadership is fundamental to the hospital's mission of healing and wellness.

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    Frequently Asked Questions Regarding Winchester Hospital Top Executives and Leadership Team

    Who leads Winchester Hospital?
    Winchester Hospital is led by Keith Long (Chief Executive Officer), along with executives such as Scott Luba (Chief Financial Officer) and Steven Fischer (Executive Vice President & Chief Financial Officer, Amp).
    Who is part of Winchester Hospital’s executive team?
    The executive team of Winchester Hospital includes leaders such as Keith Long (Chief Executive Officer), Scott Luba (Chief Financial Officer), Steven Fischer (Executive Vice President & Chief Financial Officer, Amp) and other senior executives.
    How many executives does Winchester Hospital have?
    Winchester Hospital has 8 executives leading key business areas.
    What roles are included in Winchester Hospital’s leadership team?
    The leadership team of Winchester Hospital includes roles such as Chief Executive Officer, Chief Financial Officer, Executive Vice President & Chief Financial Officer, Amp, Chief Operating Officer, President.