Mohawk Valley Health System Executive and Leadership Team

July, 2026

Leadership Overview

Mohawk Valley Health System has 6 executives leading key functions including strategy, information technology, finance, medical operations, and clinical informatics.

Driven by a commitment to community well-being, Mohawk Valley Health System delivers comprehensive healthcare services across Oneida, Herkimer, and Madison counties, fostering a patient-centric approach to integrated care and operational excellence.

Leadership Roles at Mohawk Valley Health System

  • Executive Administrator To the Chief Executive Officer - Patricia Kasmarek
  • President & Chief Executive Officer - William LeCates
  • Senior VP & Chief Financial Officer - Louis Aiello
  • Senior Vice President and Chief Information Officer - Tammy Canfield
  • Chief Medical Officer - Gary Zimmer
  • Chief Medical Information Officer - Paul Davidson
  • Patricia Kasmarek - Executive Administrator To the Chief Executive Officer

    Patricia Kasmarek, the Executive Administrator To the Chief Executive Officer at Mohawk Valley Health System, provides direct operational support to the Chief Executive Officer, ensuring seamless execution of strategic initiatives. Kasmarek manages critical administrative functions that facilitate the CEO's oversight of the integrated, non-profit healthcare delivery system. This role involves coordinating communications, scheduling, and project management to enhance leadership efficiency. By streamlining executive operations, Kasmarek directly contributes to the system's mission of serving Oneida, Herkimer, and Madison counties. The focus remains on supporting the strategic direction and operational integrity of Mohawk Valley Health System's diverse affiliates, including St. Elizabeth Medical Center and Faxton St. Luke's Healthcare. Patricia Kasmarek ensures the executive office functions with maximum effectiveness, enabling robust leadership for the organization's growth and patient care objectives.

    William LeCates - President & Chief Executive Officer

    William LeCates, the President & Chief Executive Officer at Mohawk Valley Health System, directs the overall strategy and operational framework for the integrated, non-profit healthcare delivery system. LeCates guides the organization's expansion and service delivery across Oneida, Herkimer, and Madison counties, overseeing affiliates like St. Elizabeth Medical Center and Faxton St. Luke's Healthcare. This leadership position involves setting the vision for patient care, financial sustainability, and community engagement. By championing innovation and operational excellence, William LeCates ensures the system meets the evolving healthcare needs of the region. The Chief Executive Officer's responsibilities encompass fostering a culture of quality, driving strategic partnerships, and managing the integration of new facilities, such as The Wynn Hospital. This executive leadership ensures the long-term viability and impact of Mohawk Valley Health System's mission.
    William LeCates

    Louis Aiello - Senior VP & Chief Financial Officer

    Louis Aiello, the Senior VP & Chief Financial Officer at Mohawk Valley Health System, directs the financial strategy and fiscal health of the integrated, non-profit healthcare delivery system. Aiello manages all financial operations, including budgeting, revenue cycle management, and capital allocation, ensuring the sustainability of services across Oneida, Herkimer, and Madison counties. This executive leadership role is pivotal in maintaining the financial integrity of affiliates such as St. Elizabeth Medical Center and Faxton St. Luke's Healthcare. By optimizing financial performance and securing resources, Louis Aiello supports the system's mission to provide accessible, high-quality healthcare. The Chief Financial Officer's oversight extends to financial planning for new developments, including The Wynn Hospital, ensuring robust economic foundations for future growth and patient care initiatives.
    Louis Aiello

    Tammy Canfield - Senior Vice President and Chief Information Officer

    Tammy Canfield, the Senior Vice President and Chief Information Officer at Mohawk Valley Health System, architects and executes the technology strategy for the integrated healthcare delivery system. Canfield oversees all aspects of information technology, ensuring robust digital infrastructure supports patient care, operational efficiency, and data security across St. Elizabeth Medical Center, Faxton St. Luke's Healthcare, and other MVHS affiliates. This critical role involves managing the implementation of advanced health information systems, driving digital transformation initiatives, and safeguarding sensitive patient data. By aligning technology solutions with the organization's mission, Tammy Canfield enhances the system's capacity to serve Oneida, Herkimer, and Madison counties effectively. The Chief Information Officer's leadership ensures that Mohawk Valley Health System remains at the forefront of technological innovation in healthcare delivery.

    Gary Zimmer - Chief Medical Officer

    Gary Zimmer, the Chief Medical Officer at Mohawk Valley Health System, provides executive medical leadership and strategic direction for clinical operations across the integrated healthcare delivery system. Zimmer oversees quality improvement initiatives, patient safety programs, and clinical best practices throughout St. Elizabeth Medical Center, Faxton St. Luke's Healthcare, and other MVHS entities. This role is essential in ensuring the highest standards of patient care and clinical outcomes for residents of Oneida, Herkimer, and Madison counties. By collaborating with clinical teams and administrative leadership, Gary Zimmer champions a culture of medical excellence and innovation. The Chief Medical Officer's focus remains on enhancing the clinical effectiveness and patient experience, directly supporting Mohawk Valley Health System's commitment to community health and well-being.

    Paul Davidson - Chief Medical Information Officer

    Paul Davidson, the Chief Medical Information Officer at Mohawk Valley Health System, bridges clinical practice and information technology to optimize the use of electronic health records and digital health tools. Davidson ensures that clinical systems effectively support patient care delivery, enhance physician workflows, and improve data analytics across the integrated system, including St. Elizabeth Medical Center and Faxton St. Luke's Healthcare. This role is crucial for driving the adoption of health information technology that aligns with the organization's mission to serve Oneida, Herkimer, and Madison counties. By focusing on user-centered design and clinical informatics, Paul Davidson enhances the efficiency and quality of care provided. The Chief Medical Information Officer's leadership ensures that technology empowers clinicians and improves patient outcomes throughout Mohawk Valley Health System.

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    Frequently Asked Questions Regarding Mohawk Valley Health System Top Executives and Leadership Team

    Who leads Mohawk Valley Health System?
    Mohawk Valley Health System is led by Patricia Kasmarek (Executive Administrator To the Chief Executive Officer), along with executives such as William LeCates (President & Chief Executive Officer) and Louis Aiello (Senior VP & Chief Financial Officer).
    Who is part of Mohawk Valley Health System’s executive team?
    The executive team of Mohawk Valley Health System includes leaders such as Patricia Kasmarek (Executive Administrator To the Chief Executive Officer), William LeCates (President & Chief Executive Officer), Louis Aiello (Senior VP & Chief Financial Officer) and other senior executives.
    How many executives does Mohawk Valley Health System have?
    Mohawk Valley Health System has 6 executives leading key business areas.
    What roles are included in Mohawk Valley Health System’s leadership team?
    The leadership team of Mohawk Valley Health System includes roles such as Executive Administrator To the Chief Executive Officer, President & Chief Executive Officer, Senior VP & Chief Financial Officer, Senior Vice President and Chief Information Officer, Chief Medical Officer.