Winchester Hospital Executive and Leadership Team

October, 2026

Leadership Overview

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

Committed to excellence in patient outcomes, Winchester Hospital delivers comprehensive medical services across cardiology, oncology, and orthopedics to improve community health standards through advanced clinical care.

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 - 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 and long-term growth initiatives for the organization. By aligning clinical excellence with operational efficiency, the Chief Executive Officer ensures the delivery of high-quality medical services across cardiology, oncology, and orthopedics. Keith Long maintains rigorous standards for patient care while overseeing the integration of new medical technologies into the existing infrastructure. This leadership role involves constant collaboration with the Board to secure financial stability and expand the reach of specialized medical programs throughout the region. By fostering a culture of innovation and accountability, the Chief Executive Officer drives the mission of providing accessible, top-tier healthcare. Ultimately, Long secures the reputation of the institution as a premier provider of pulmonary medicine and gastroenterology services within the competitive Massachusetts healthcare landscape.

    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 capital allocation strategies for the entire medical system. Managing the budgetary requirements for specialized units like radiation oncology and gastroenterology, the Executive Vice President & Chief Financial Officer, Amp ensures that financial resources align with clinical priorities. Steven Fischer evaluates investment opportunities in medical technology and facility upgrades to maintain a competitive market position. This leadership role involves rigorous oversight of revenue cycles and cost-containment measures to support long-term sustainability. By analyzing economic trends and healthcare reimbursement models, the Executive Vice President & Chief Financial Officer, Amp provides the necessary data to guide executive decision-making. Fischer secures the financial foundation required to expand medical services and improve patient care outcomes across the diverse specialties offered by the institution.

    Matthew Hinkle - Chief Operating Officer

    Matthew Hinkle, the Chief Operating Officer at Winchester Hospital, manages the daily administrative functions and clinical workflows that sustain the facility. Overseeing the operational efficiency of departments like rehabilitation and pain management, the Chief Operating Officer optimizes resource allocation to maximize patient throughput. Matthew Hinkle coordinates with department heads to streamline internal processes, ensuring that medical staff possess the necessary tools for effective care delivery. This role requires constant monitoring of operational metrics to identify areas for improvement in service delivery and facility maintenance. By implementing scalable systems, the Chief Operating Officer supports the broader organizational goals of maintaining high standards in pulmonary medicine and oncology. Hinkle drives the execution of logistical strategies that allow the hospital to function seamlessly while meeting the complex demands of modern medical practice across the regional network.
    Matthew Hinkle

    Stephen Chandler - President

    Stephen Chandler, the President at Winchester Hospital, provides executive leadership for the institution's mission and community engagement efforts. Overseeing the broad strategic direction, the President coordinates with other C-suite leaders to ensure that the hospital meets the evolving needs of the regional population. Stephen Chandler represents the organization in external partnerships and community health initiatives, strengthening the hospital's presence in the healthcare sector. This role involves balancing the demands of clinical excellence with the necessity of sustainable growth in specialties like orthopedics and rehabilitation. By fostering strong relationships with stakeholders, the President supports the development of new medical programs and the expansion of existing services. Chandler drives the organizational culture, ensuring that every department remains focused on the core mission of providing high-quality, accessible medical care to all patients within the service area.

    Mohammed Jaleel - President of the England Inpatient Specialists

    Mohammed Jaleel, the President of the England Inpatient Specialists at Winchester Hospital, directs the specialized care teams responsible for managing complex patient needs during hospital stays. Overseeing the integration of inpatient services with broader medical departments, the President of the England Inpatient Specialists ensures seamless transitions for patients requiring intensive care or long-term recovery. Mohammed Jaleel coordinates the efforts of multidisciplinary teams to optimize treatment plans for conditions ranging from cardiac issues to pulmonary complications. This leadership role involves refining clinical workflows to improve patient outcomes and reduce length-of-stay metrics. By focusing on the specific requirements of inpatient care, the President of the England Inpatient Specialists enhances the overall quality of the hospital's medical offerings. Jaleel drives the implementation of advanced care protocols that support the institution's reputation for excellence in managing acute and chronic health conditions.

    Sophie Chrisomalis - Chief Medical Officer

    Sophie Chrisomalis, the Chief Medical Officer at Winchester Hospital, leads the clinical staff and establishes the standards for medical practice across all specialties. Overseeing the quality of care in cardiology, pulmonary medicine, and oncology, the Chief Medical Officer ensures compliance with rigorous healthcare regulations and safety protocols. Sophie Chrisomalis facilitates communication between the medical staff and the executive team to align clinical goals with organizational objectives. This role involves mentoring physicians and implementing evidence-based practices to enhance patient recovery rates and overall satisfaction. By directing the clinical strategy, the Chief Medical Officer maintains the integrity of the hospital's medical programs. Chrisomalis drives the continuous improvement of diagnostic and treatment services, ensuring that the institution remains at the forefront of medical innovation while providing compassionate care to the community served by the hospital.

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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.