Oneida Health Executive and Leadership Team

August, 2026

Leadership Overview

Oneida Health has 7 executives leading key functions including strategy, information technology, operations, financial management, medical oversight, and community engagement.

Dedicated to advancing regional wellness, Oneida Health prioritizes patient-centered care through an integrated network that enhances healthcare access and quality across the Mohawk Valley.

Leadership Roles at Oneida Health

  • Chief Executive Officer - Felissa Koernig
  • Vice President, Finance & Chief Financial Officer - Jeremiah Sweet
  • Chief Operating Officer - Shannon Mathewson
  • Auxiliary Board President - Marty Mallery
  • Chief Information Officer - Mary McGuirl
  • Chief Information Officer, Oneida Health - Phil Moran
  • Chief Medical Officer - Jason Lorenc
  • Felissa Koernig - Chief Executive Officer

    Felissa Koernig, the Chief Executive Officer at Oneida Health, directs the overarching strategic vision for the entire integrated health network. Overseeing all clinical and administrative operations, the Chief Executive Officer ensures that patient-centered care remains the primary focus across the Utica, Rome, and Oneida regions. Koernig manages high-level partnerships with regional medical networks to expand service capabilities, including participation in the Upstate Telestroke Network. By aligning organizational resources with community health needs, the Chief Executive Officer drives sustainable growth and operational excellence. Felissa Koernig maintains constant communication with the Board to monitor performance metrics and quality standards. Through rigorous oversight of hospital infrastructure and service delivery models, the Chief Executive Officer secures the long-term viability of the network. This leadership role involves balancing complex regulatory requirements with the mission of providing exceptional primary and specialty care to the local population.
    Felissa Koernig

    Jeremiah Sweet - Vice President, Finance & Chief Financial Officer

    Jeremiah Sweet, the Vice President, Finance & Chief Financial Officer at Oneida Health, oversees the fiscal health and long-term financial planning of the organization. Managing the annual budget and capital investment strategies, the Vice President, Finance & Chief Financial Officer ensures that resources align with the mission of providing exceptional care. Sweet directs revenue cycle management to maintain the financial stability required for ongoing facility upgrades and service expansion. By analyzing market trends and reimbursement models, the Vice President, Finance & Chief Financial Officer identifies opportunities for growth and cost-effective service delivery. Jeremiah Sweet provides the Board with detailed financial reports and risk assessments to guide strategic decision-making. This role involves negotiating contracts with insurance providers and vendors to optimize the cost structure of the network. Through disciplined financial stewardship, the Vice President, Finance & Chief Financial Officer supports the continued availability of high-quality medical services for the community.

    Shannon Mathewson - Chief Operating Officer

    Shannon Mathewson, the Chief Operating Officer at Oneida Health, manages the daily functional requirements of the hospital network to ensure peak performance. Overseeing facility maintenance and supply chain logistics, the Chief Operating Officer maintains the physical environment necessary for high-quality patient care. Mathewson coordinates with department heads to optimize staffing levels and resource allocation across all specialty care units. By streamlining internal processes, the Chief Operating Officer reduces wait times and improves the patient experience throughout the Mohawk Valley. Shannon Mathewson monitors operational KPIs to identify areas for efficiency gains and cost reduction. This leadership role involves executing strategic initiatives that support the expansion of clinical services. Through the rigorous management of hospital assets and personnel, the Chief Operating Officer ensures that the organization meets the evolving healthcare demands of the community while maintaining strict adherence to safety protocols and operational standards.

    Marty Mallery - Auxiliary Board President

    Marty Mallery, the Auxiliary Board President at Oneida Health, directs community engagement efforts and volunteer initiatives that support the hospital mission. Coordinating charitable events and fundraising activities, the Auxiliary Board President mobilizes local resources to enhance patient services and community programs. Mallery manages the volunteer workforce to ensure that hospital departments receive necessary support for non-clinical tasks. By fostering strong relationships between the organization and the public, the Auxiliary Board President increases awareness of available healthcare resources. Marty Mallery works with the executive leadership to identify community needs that can be addressed through volunteer-led projects. This role involves organizing outreach programs that promote health education and wellness throughout the region. Through the active management of community partnerships, the Auxiliary Board President strengthens the connection between the hospital and the residents of the Mohawk Valley, ensuring that the network remains deeply integrated into the local social fabric.

    Mary McGuirl - Chief Information Officer

    Mary McGuirl, the Chief Information Officer at Oneida Health, architects the digital infrastructure supporting all clinical and administrative data systems. Managing the secure integration of electronic medical records, the Chief Information Officer ensures seamless access for both providers and patients through the digital portal. McGuirl oversees the implementation of advanced health information technology to improve diagnostic accuracy and operational efficiency across the network. By protecting sensitive patient data, the Chief Information Officer maintains compliance with federal healthcare privacy standards. Mary McGuirl collaborates with clinical leadership to deploy innovative software solutions that streamline patient intake and record retrieval processes. This role involves constant monitoring of cybersecurity threats to safeguard the integrity of the network. Through the optimization of digital workflows, the Chief Information Officer enhances the overall quality of care delivery, ensuring that medical staff possess real-time access to critical patient information during every encounter.
    Mary McGuirl

    Phil Moran - Chief Information Officer, Oneida Health

    Phil Moran, the Chief Information Officer, Oneida Health at Oneida Health, drives the modernization of telecommunications and network connectivity across the entire health system. Focusing on the technical backbone of the Upstate Telestroke Network, the Chief Information Officer, Oneida Health ensures reliable, high-speed data transmission for critical emergency services. Moran manages the hardware and software lifecycle for all clinical workstations and mobile devices used by medical staff. By implementing robust disaster recovery plans, the Chief Information Officer, Oneida Health guarantees continuous system availability for patient care. Phil Moran works closely with the IT department to integrate new diagnostic imaging technologies into the existing network architecture. This role involves evaluating emerging health technologies to determine potential benefits for the organization. Through the strategic deployment of communication tools, the Chief Information Officer, Oneida Health facilitates better coordination between primary care providers and specialty consultants, ultimately improving patient outcomes.

    Jason Lorenc - Chief Medical Officer

    Jason Lorenc, the Chief Medical Officer at Oneida Health, leads the clinical staff and establishes the standards for medical practice across the network. Overseeing physician recruitment and credentialing, the Chief Medical Officer ensures that the organization maintains a high caliber of specialty and primary care providers. Lorenc monitors clinical outcomes and implements evidence-based protocols to improve patient safety and treatment efficacy. By facilitating peer review processes, the Chief Medical Officer maintains the highest levels of professional accountability and quality assurance. Jason Lorenc collaborates with the executive team to integrate new medical technologies and treatment modalities into the hospital service offerings. This role involves addressing complex clinical challenges and fostering a culture of continuous improvement among the medical staff. Through the oversight of clinical governance, the Chief Medical Officer ensures that every patient receives care that meets the rigorous standards of the integrated health network.

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    Frequently Asked Questions Regarding Oneida Health Top Executives and Leadership Team

    Who leads Oneida Health?
    Oneida Health is led by Felissa Koernig (Chief Executive Officer), along with executives such as Jeremiah Sweet (Vice President, Finance & Chief Financial Officer) and Shannon Mathewson (Chief Operating Officer).
    Who is part of Oneida Health’s executive team?
    The executive team of Oneida Health includes leaders such as Felissa Koernig (Chief Executive Officer), Jeremiah Sweet (Vice President, Finance & Chief Financial Officer), Shannon Mathewson (Chief Operating Officer) and other senior executives.
    How many executives does Oneida Health have?
    Oneida Health has 7 executives leading key business areas.
    What roles are included in Oneida Health’s leadership team?
    The leadership team of Oneida Health includes roles such as Chief Executive Officer, Vice President, Finance & Chief Financial Officer, Chief Operating Officer, Auxiliary Board President, Chief Information Officer.