Winchester Hospital Executive and Leadership Team

September, 2026

Leadership Overview

Winchester Hospital has 7 executives leading key functions including strategy, operations, financial management, clinical oversight, regional leadership, and inpatient specialty care.

Committed to excellence in patient care, Winchester Hospital delivers advanced medical specialties like cardiology and oncology while maintaining a legacy of community health since 1912.

Leadership Roles at Winchester Hospital

  • Chief Executive Officer - Keith Long
  • Executive Vice President & Chief Financial Officer, Amp - Steven Fischer
  • Chief Operating Officer - Matthew Hinkle
  • President - Gabrielle Scott
  • President - Stephen Chandler
  • 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 overarching strategic vision for all medical departments. By aligning clinical goals with long-term institutional growth, the Chief Executive Officer ensures the delivery of high-quality cardiology, oncology, and pulmonary services across the Massachusetts region. This leadership role involves constant collaboration with the Board to optimize resource allocation and maintain the facility's reputation for excellence. Keith Long monitors performance metrics to guarantee that patient outcomes meet rigorous standards. Through the implementation of innovative healthcare models, the Chief Executive Officer drives operational efficiency and fiscal health. By fostering a culture of continuous improvement, the Chief Executive Officer strengthens the hospital's market position. Ultimately, the Chief Executive Officer secures the future of the organization by prioritizing patient-centered care and sustainable growth strategies that benefit the entire community.

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

    Steven Fischer, the Executive Vice President & Chief Financial Officer, Amp at Winchester Hospital, governs the fiscal health and long-term financial planning for the organization. Managing capital investments and budgetary allocations, the Executive Vice President & Chief Financial Officer, Amp ensures that resources support critical departments like radiation oncology and pain management. This leadership role involves analyzing market trends to forecast revenue growth and mitigate financial risks. Steven Fischer collaborates with the executive team to align financial objectives with the hospital's strategic mission. By implementing robust accounting practices and cost-control measures, the Executive Vice President & Chief Financial Officer, Amp maximizes operational efficiency. The Executive Vice President & Chief Financial Officer, Amp monitors the financial performance of all medical units to ensure sustainability. Through disciplined fiscal management, the Executive Vice President & Chief Financial Officer, Amp secures the necessary funding to advance medical technology and patient care initiatives.

    Matthew Hinkle - Chief Operating Officer

    Matthew Hinkle, the Chief Operating Officer at Winchester Hospital, manages the daily administrative functions and clinical workflows across all medical specialties. Overseeing the integration of gastroenterology and orthopedics, the Chief Operating Officer ensures seamless patient transitions and efficient facility utilization. This role requires constant coordination with department heads to streamline supply chain logistics and staffing requirements. Matthew Hinkle evaluates operational data to identify bottlenecks and implement corrective measures that enhance service delivery. By optimizing internal processes, the Chief Operating Officer supports the broader mission of providing accessible, high-quality care. The Chief Operating Officer maintains rigorous safety standards while managing the complex infrastructure of the hospital. Through meticulous oversight of daily operations, the Chief Operating Officer drives productivity and ensures that the facility remains a premier destination for medical treatment within the regional healthcare landscape.
    Matthew Hinkle

    Gabrielle Scott - President

    Gabrielle Scott, the President at Winchester Hospital, directs the strategic expansion and community outreach initiatives for the organization. Focusing on the growth of outpatient services and rehabilitation programs, the President ensures that the hospital meets the evolving healthcare needs of the Massachusetts population. This leadership role involves building partnerships with regional health networks to enhance service accessibility. Gabrielle Scott monitors the competitive landscape to identify opportunities for service line development and market penetration. By aligning organizational goals with community health requirements, the President drives the hospital's mission forward. The President collaborates with the executive team to ensure that all departments operate in harmony with the overarching strategic plan. Through proactive leadership, the President fosters a culture of innovation and service excellence. Ultimately, the President secures the hospital's role as a vital healthcare provider by championing initiatives that improve patient access and overall community wellness.

    Stephen Chandler - President

    Stephen Chandler, the President at Winchester Hospital, oversees the operational integration of specialized medical units and facility-wide performance. Focusing on the efficiency of oncology and gastroenterology departments, the President ensures that clinical teams possess the necessary resources to deliver superior patient care. This role involves managing cross-departmental projects that enhance the patient experience and streamline diagnostic processes. Stephen Chandler evaluates performance metrics to drive continuous improvement in service delivery. By fostering collaboration between medical and administrative staff, the President ensures that the hospital maintains high standards of operational excellence. The President coordinates with the executive team to align departmental goals with the hospital's long-term vision. Through strategic oversight, the President optimizes the use of medical technology and facility infrastructure. Ultimately, the President drives the hospital's success by ensuring that every department functions at peak capacity to serve the needs of the community.

    Mohammed Jaleel - President of the England Inpatient Specialists

    Mohammed Jaleel, the President of the England Inpatient Specialists at Winchester Hospital, directs the clinical and operational activities for all inpatient care units. Overseeing the management of complex cases in cardiology and pulmonary medicine, the President of the England Inpatient Specialists ensures that patients receive consistent, high-quality care during their hospital stay. This role involves coordinating with nursing staff and attending physicians to optimize treatment plans and discharge protocols. Mohammed Jaleel monitors inpatient outcomes to identify areas for clinical improvement and efficiency gains. By implementing standardized care pathways, the President of the England Inpatient Specialists enhances the quality of the patient experience. The President of the England Inpatient Specialists collaborates with other executive leaders to ensure that inpatient services align with the hospital's broader strategic objectives. Through dedicated leadership, the President of the England Inpatient Specialists maintains the highest standards of inpatient care and safety.

    Sophie Chrisomalis - Chief Medical Officer

    Sophie Chrisomalis, the Chief Medical Officer at Winchester Hospital, governs clinical standards and medical staff performance across all specialties. Overseeing the quality of care in pulmonary medicine and rehabilitation, the Chief Medical Officer ensures compliance with national healthcare regulations and internal safety protocols. This role involves mentoring medical staff and fostering a collaborative environment among physicians to improve patient outcomes. Sophie Chrisomalis evaluates clinical data to drive evidence-based practices throughout the hospital. By coordinating with department leads, the Chief Medical Officer maintains high standards of excellence in patient treatment and diagnostic accuracy. The Chief Medical Officer addresses complex clinical challenges to ensure the hospital remains at the forefront of medical innovation. Through the rigorous oversight of medical staff, the Chief Medical Officer guarantees that every patient receives compassionate and effective care, ultimately strengthening the hospital's reputation for clinical excellence.

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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 Steven Fischer (Executive Vice President & Chief Financial Officer, Amp) and Matthew Hinkle (Chief Operating Officer).
    Who is part of Winchester Hospital’s executive team?
    The executive team of Winchester Hospital includes leaders such as Keith Long (Chief Executive Officer), Steven Fischer (Executive Vice President & Chief Financial Officer, Amp), Matthew Hinkle (Chief Operating Officer) and other senior executives.
    How many executives does Winchester Hospital have?
    Winchester Hospital has 7 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, Executive Vice President & Chief Financial Officer, Amp, Chief Operating Officer, President, President.