Winchester Hospital Executive and Leadership Team

August, 2026

Leadership Overview

Winchester Hospital has 6 executives leading key functions including strategy, operations, financial management, clinical excellence, organizational leadership, and inpatient specialty care.

Committed to delivering advanced medical care, Winchester Hospital prioritizes patient outcomes through specialized cardiology, oncology, and orthopedic services while maintaining a standard of excellence across the Massachusetts healthcare landscape.

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 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 the medical facility. By aligning clinical goals with long-term institutional growth, the Chief Executive Officer ensures the delivery of high-quality cardiology and oncology services. Keith Long manages relationships with the Board to secure resources for facility expansion and technological upgrades. This leadership role involves monitoring regional healthcare trends to maintain a competitive edge in the Massachusetts market. Through rigorous oversight of departmental performance, the Chief Executive Officer optimizes resource allocation across pulmonary medicine and rehabilitation units. By fostering a culture of patient-centered care, the Chief Executive Officer drives operational efficiency and clinical excellence. Ultimately, the Chief Executive Officer secures the financial and operational health of the organization, ensuring that Winchester Hospital remains a premier provider of specialized medical care for the surrounding communities.

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

    Steven Fischer, the Executive Vice President & Chief Financial Officer, Amp at Winchester Hospital, directs the fiscal strategy and capital planning for the organization. By managing revenue cycles and budgeting for oncology and radiation oncology departments, the Executive Vice President & Chief Financial Officer, Amp ensures the long-term sustainability of medical programs. Steven Fischer oversees financial reporting and audit processes, providing transparency to the Board and external stakeholders. This leadership role involves evaluating investment opportunities in medical technology to enhance diagnostic capabilities. By optimizing cost structures across all clinical specialties, the Executive Vice President & Chief Financial Officer, Amp supports the expansion of services in the Massachusetts region. The Executive Vice President & Chief Financial Officer, Amp maintains fiscal discipline while balancing the need for advanced medical equipment. Through strategic financial planning, the Executive Vice President & Chief Financial Officer, Amp secures the resources necessary for Winchester Hospital to continue providing comprehensive care.

    Matthew Hinkle - Chief Operating Officer

    Matthew Hinkle, the Chief Operating Officer at Winchester Hospital, manages the daily administrative and clinical workflows that support patient care. Overseeing the integration of gastroenterology and pain management services, the Chief Operating Officer ensures seamless transitions between departments. Matthew Hinkle coordinates with department heads to streamline supply chain logistics and facility maintenance, directly impacting the efficiency of medical delivery. This leadership role involves implementing standardized protocols to enhance safety and reduce wait times for patients. By analyzing operational data, the Chief Operating Officer identifies bottlenecks in rehabilitation and pulmonary medicine, executing solutions that improve throughput. The Chief Operating Officer maintains rigorous standards for facility operations, ensuring compliance with state and federal regulations. Through consistent monitoring of operational metrics, the Chief Operating Officer supports the broader mission of Winchester Hospital by providing a stable, high-functioning environment for medical staff and patients alike.
    Matthew Hinkle

    Gabrielle Scott - President

    Gabrielle Scott, the President at Winchester Hospital, directs the organizational culture and external partnerships that define the institution. By representing the hospital in regional healthcare networks, the President expands the reach of specialized services like orthopedics and rehabilitation. Gabrielle Scott oversees the alignment of institutional goals with community health needs, ensuring that Winchester Hospital remains a vital resource. This leadership role involves engaging with stakeholders to promote the hospital's mission and secure support for new initiatives. By fostering collaborative relationships with other healthcare providers, the President enhances the continuity of care for patients across the Massachusetts area. The President monitors the overall performance of the organization, ensuring that all departments contribute to the strategic objectives. Through effective communication and leadership, the President drives the growth and reputation of the hospital. Ultimately, the President ensures that Winchester Hospital maintains its commitment to providing high-quality, accessible medical care to the public.

    Mohammed Jaleel - President of the England Inpatient Specialists

    Mohammed Jaleel, the President of the England Inpatient Specialists at Winchester Hospital, directs the inpatient care delivery model for the facility. By managing the specialized teams responsible for acute patient care, the President of the England Inpatient Specialists ensures that clinical protocols are executed with precision. Mohammed Jaleel oversees the coordination between inpatient units and outpatient services, facilitating smooth patient transitions. This leadership role involves optimizing staffing levels and resource utilization to maintain high standards of care during hospital stays. By implementing efficiency improvements in inpatient workflows, the President of the England Inpatient Specialists reduces length of stay while improving patient recovery outcomes. The President of the England Inpatient Specialists collaborates with other clinical leaders to ensure that inpatient services remain integrated with the broader medical specialties offered at Winchester Hospital. Through rigorous oversight of inpatient operations, the President of the England Inpatient Specialists supports the overall mission of delivering exceptional medical care.

    Sophie Chrisomalis - Chief Medical Officer

    Sophie Chrisomalis, the Chief Medical Officer at Winchester Hospital, directs the clinical standards and medical staff performance across all specialties. Overseeing the quality of care in cardiology, pulmonary medicine, and gastroenterology, the Chief Medical Officer ensures adherence to evidence-based practices. Sophie Chrisomalis leads peer review committees and clinical governance initiatives to maintain high patient safety standards. This leadership role involves mentoring medical staff and fostering collaboration between diverse clinical teams. By implementing advanced treatment protocols, the Chief Medical Officer improves outcomes in oncology and pain management. The Chief Medical Officer coordinates with the executive team to integrate new medical technologies into daily practice, ensuring that Winchester Hospital remains at the forefront of clinical innovation. Through continuous evaluation of clinical performance metrics, the Chief Medical Officer drives excellence in patient care. Ultimately, the Chief Medical Officer ensures that all medical services align with the mission of providing superior healthcare to the community.

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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 6 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 of the England Inpatient Specialists.