Mohawk Valley Health System Executive and Leadership Team

October, 2026

Leadership Overview

Mohawk Valley Health System has 4 executives leading key functions including strategy, financial oversight, information technology, and clinical excellence.

Committed to regional wellness, Mohawk Valley Health System delivers integrated healthcare services across New York State while maintaining a focus on patient-centered care and operational efficiency within the local community.

Leadership Roles at Mohawk Valley Health System

  • 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
  • William LeCates - President & Chief Executive Officer

    William LeCates, the President & Chief Executive Officer at Mohawk Valley Health System, directs the overarching strategic vision for this integrated healthcare delivery network. Overseeing the transition of clinical services into The Wynn Hospital, the President & Chief Executive Officer ensures alignment across all affiliates including St. Elizabeth Medical Center and Faxton St. Luke's Healthcare. This leadership role involves managing a workforce of over 4,200 employees to maintain high standards of patient care throughout Oneida, Herkimer, and Madison counties. By fostering collaboration between the Board and clinical leadership, William LeCates drives long-term organizational growth and financial sustainability. The President & Chief Executive Officer prioritizes the expansion of medical services to meet the evolving needs of the regional population. Through rigorous operational oversight, LeCates secures the future of this non-profit system as a cornerstone of regional health.
    William LeCates

    Louis Aiello - Senior VP & Chief Financial Officer

    Louis Aiello, the Senior VP & Chief Financial Officer at Mohawk Valley Health System, manages the fiscal health and capital allocation for this expansive integrated delivery network. Overseeing complex budgetary requirements for multiple affiliates, the Senior VP & Chief Financial Officer ensures the financial viability of the system during the integration of new facilities like The Wynn Hospital. This role involves optimizing revenue cycles and controlling operational costs across the entire geographic footprint of Oneida, Herkimer, and Madison counties. By providing data-driven insights to the executive team, Louis Aiello supports informed decision-making regarding resource distribution and infrastructure investment. The Senior VP & Chief Financial Officer maintains strict compliance with healthcare financial regulations while driving efficiency in the Visiting Nurse Association and other specialized units. Ultimately, Aiello secures the necessary capital to sustain high-quality patient care delivery.
    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 the digital infrastructure supporting this integrated healthcare delivery system. Overseeing the implementation of advanced electronic health records and secure data networks, the Senior Vice President and Chief Information Officer ensures seamless communication between St. Elizabeth Medical Center, Faxton St. Luke's Healthcare, and the new Wynn Hospital. This leadership role involves protecting sensitive patient information while enabling clinicians to access critical data across the regional network. By modernizing technological platforms, Tammy Canfield drives operational efficiency and improves the quality of care for patients throughout Oneida, Herkimer, and Madison counties. The Senior Vice President and Chief Information Officer collaborates with other C-suite leaders to integrate digital solutions into the broader clinical strategy. Through constant innovation, Canfield maintains the technological backbone of the entire organization.

    Gary Zimmer - Chief Medical Officer

    Gary Zimmer, the Chief Medical Officer at Mohawk Valley Health System, directs clinical standards and medical quality across the entire integrated delivery network. Overseeing the performance of medical staff at St. Elizabeth Medical Center and Faxton St. Luke's Healthcare, the Chief Medical Officer ensures consistent patient outcomes throughout the regional footprint. This leadership role involves establishing evidence-based protocols and fostering a culture of safety within the Rehabilitation and Nursing Center and the Senior Network Health programs. By aligning clinical practices with the strategic goals of the organization, Gary Zimmer drives improvements in care delivery and patient satisfaction. The Chief Medical Officer works closely with the executive team to integrate medical services into the new Wynn Hospital facility. Through continuous monitoring of clinical metrics, Zimmer maintains the highest standards of medical excellence for the residents of Oneida, Herkimer, and Madison counties.

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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 William LeCates (President & Chief Executive Officer), along with executives such as Louis Aiello (Senior VP & Chief Financial Officer) and Tammy Canfield (Senior Vice President and Chief Information Officer).
    Who is part of Mohawk Valley Health System’s executive team?
    The executive team of Mohawk Valley Health System includes leaders such as William LeCates (President & Chief Executive Officer), Louis Aiello (Senior VP & Chief Financial Officer), Tammy Canfield (Senior Vice President and Chief Information Officer) and other senior executives.
    How many executives does Mohawk Valley Health System have?
    Mohawk Valley Health System has 4 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 President & Chief Executive Officer, Senior VP & Chief Financial Officer, Senior Vice President and Chief Information Officer, Chief Medical Officer.