Winchester Hospital Executive and Leadership Team

June, 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 provides essential medical specialties, shaping the healthcare landscape through dedicated service and advanced treatment options.

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 of the England Inpatient Specialists - Mohammed Jaleel
  • President - Gabrielle Scott
  • Chief Medical Officer - Sophie Chrisomalis
  • Keith Long - Chief Executive Officer

    Keith Long, the Chief Executive Officer at Winchester Hospital, directs overall organizational strategy and operational execution. Overseeing all hospital functions, Keith Long ensures alignment with the mission of providing comprehensive medical specialties. This leadership role involves driving growth in areas such as cardiology, oncology, and orthopedics, directly impacting patient outcomes and community health. By fostering a culture of excellence, Keith Long secures the hospital's position as a leading healthcare provider in Massachusetts. The Chief Executive Officer's purview extends to financial stewardship and strategic partnerships, ensuring long-term sustainability and service expansion. Keith Long's strategic vision guides the hospital's response to evolving healthcare demands and technological advancements, maintaining Winchester Hospital's commitment to high-quality care.

    Scott Luba - Chief Financial Officer

    Scott Luba, the Chief Financial Officer at Winchester Hospital, manages all financial operations and fiscal planning. Overseeing budgeting, financial reporting, and investment strategies, Scott Luba ensures the hospital's economic health and resource allocation for critical medical specialties. This role involves optimizing financial performance across departments like pulmonary medicine, gastroenterology, and rehabilitation, directly supporting patient care initiatives. By implementing robust financial controls, Scott Luba safeguards the hospital's assets and facilitates expansion into new treatment areas, such as radiation oncology and pain management. The Chief Financial Officer's responsibilities include managing revenue cycles and capital expenditures, ensuring Winchester Hospital maintains its commitment to accessible and advanced healthcare services. Scott Luba's financial acumen is vital for sustaining the hospital's operational capacity and strategic growth.

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

    Steven Fischer, the Executive Vice President & Chief Financial Officer, Amp at Winchester Hospital, oversees critical financial strategies and fiscal management for the organization. Directing financial planning, investment, and resource allocation, Steven Fischer ensures robust economic health across all medical specialties, including cardiology, pulmonary medicine, and oncology. This executive role involves optimizing financial performance for gastroenterology, orthopedics, and rehabilitation services, directly supporting the delivery of advanced patient care. By driving financial efficiency and exploring new revenue streams, Steven Fischer strengthens Winchester Hospital's capacity for innovation in areas like radiation oncology and pain management. The Executive Vice President & Chief Financial Officer, Amp's responsibilities encompass managing capital projects and ensuring compliance with financial regulations, vital for the hospital's long-term stability and growth. Steven Fischer's financial leadership is integral to Winchester Hospital's mission.

    Matthew Hinkle - Chief Operating Officer

    Matthew Hinkle, the Chief Operating Officer at Winchester Hospital, directs daily operations and service delivery across all medical departments. Overseeing efficiency and quality in areas including cardiology, oncology, and orthopedics, Matthew Hinkle ensures seamless patient care pathways and resource utilization. This leadership position involves optimizing workflows for rehabilitation, radiation oncology, and pain management services, directly enhancing patient experience and clinical outcomes. By implementing operational improvements, Matthew Hinkle supports the hospital's mission to provide specialized medical care throughout Massachusetts. The Chief Operating Officer's focus includes managing hospital infrastructure, staff deployment, and adherence to regulatory standards, ensuring Winchester Hospital operates at peak performance. Matthew Hinkle's operational expertise is crucial for maintaining the hospital's reputation for excellence and responsiveness.
    Matthew Hinkle

    Diana Deering - President

    Diana Deering, the President at Winchester Hospital, drives strategic initiatives and operational oversight across the organization. Leading key functions, Diana Deering ensures the hospital's continued excellence in providing vital medical specialties such as cardiology, pulmonary medicine, and oncology. This executive position involves fostering collaboration among departments like gastroenterology, orthopedics, and rehabilitation, directly enhancing the patient care continuum. By championing innovation and service expansion, Diana Deering supports Winchester Hospital's growth in areas including radiation oncology and pain management. The President's responsibilities encompass stakeholder engagement and strategic planning, ensuring the hospital meets the evolving healthcare needs of the community. Diana Deering's leadership is instrumental in maintaining Winchester Hospital's position as a premier healthcare institution.

    Mohammed Jaleel - President of the England Inpatient Specialists

    Mohammed Jaleel, the President of the England Inpatient Specialists at Winchester Hospital, directs inpatient care services and clinical operations. Overseeing the specialized teams managing patient admissions and treatment plans, Mohammed Jaleel ensures high-quality care delivery in critical areas such as cardiology, oncology, and orthopedics. This leadership role focuses on optimizing the patient experience within inpatient settings, particularly for those requiring pulmonary medicine, gastroenterology, or rehabilitation services. By implementing best practices in inpatient management, Mohammed Jaleel enhances Winchester Hospital's capacity to provide advanced treatments, including radiation oncology and pain management. The President of the England Inpatient Specialists' responsibilities include staff development and ensuring adherence to clinical protocols, vital for maintaining the hospital's reputation for excellence. Mohammed Jaleel's focus is on delivering superior inpatient outcomes.

    Gabrielle Scott - President

    Gabrielle Scott, the President at Winchester Hospital, spearheads strategic development and operational excellence throughout the institution. Leading critical initiatives, Gabrielle Scott ensures the hospital's ongoing commitment to delivering comprehensive medical specialties, including cardiology, pulmonary medicine, and oncology. This executive capacity involves fostering interdepartmental synergy for gastroenterology, orthopedics, and rehabilitation services, directly advancing patient care quality. By driving strategic partnerships and service enhancements, Gabrielle Scott supports Winchester Hospital's expansion in areas like radiation oncology and pain management. The President's duties include overseeing market positioning and long-term organizational planning, ensuring the hospital's sustained impact on community health. Gabrielle Scott's leadership is key to Winchester Hospital's continued success and innovation.

    Sophie Chrisomalis - Chief Medical Officer

    Sophie Chrisomalis, the Chief Medical Officer at Winchester Hospital, leads clinical strategy and ensures the highest standards of medical care. Overseeing all physician activities and clinical quality initiatives, Sophie Chrisomalis guides advancements in cardiology, pulmonary medicine, and oncology, directly impacting patient safety and treatment efficacy. This critical role involves setting clinical protocols for gastroenterology, orthopedics, and rehabilitation, ensuring integrated and effective patient management. By championing evidence-based practices, Sophie Chrisomalis enhances Winchester Hospital's capabilities in radiation oncology and pain management, reinforcing its commitment to specialized healthcare. The Chief Medical Officer's responsibilities include physician recruitment, medical staff development, and regulatory compliance, ensuring the hospital's clinical excellence. Sophie Chrisomalis's medical leadership is fundamental to Winchester Hospital's patient-centered approach.

    Explore Leadership Teams in Hospitals & Physicians Clinics

    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.