Onondaga County, NY Executive and Leadership Team

September, 2026

Leadership Overview

Onondaga County, NY has 5 executives leading key functions including administrative operations, strategic coordination, information technology, executive support, and digital infrastructure.

Committed to regional excellence, Onondaga County, NY drives public service innovation by leveraging its central location to enhance infrastructure, transportation connectivity, and government efficiency for all residents across the Northeast corridor.

Leadership Roles at Onondaga County, NY

  • Chief of Staff - Isabelle Harris
  • Chief Information Officer - Kevin Sexton
  • Secretary To Chief Information Officer - Elisabeth Vassar
  • Deputy Chief Information Officer - Michele Clark
  • Deputy Director - Nathaniel Stevens
  • Isabelle Harris - Chief of Staff

    Isabelle Harris, the Chief of Staff at Onondaga County, NY, directs strategic planning and facilitates communication between the executive office and various government departments. Managing the flow of information, the Chief of Staff ensures that leadership priorities remain aligned with the county's public service objectives. Isabelle Harris coordinates high-level meetings and monitors the progress of key policy initiatives, ensuring that all stakeholders remain informed and engaged. By fostering collaboration across the organization, the Chief of Staff enhances the effectiveness of administrative decision-making. This role involves managing complex projects that impact regional infrastructure and community development. Harris drives organizational cohesion by resolving operational bottlenecks and promoting transparent communication channels. Through meticulous planning and execution, the Chief of Staff supports the overall mission of the county. By maintaining a focus on strategic alignment, the Chief of Staff ensures that all departments contribute to the success of the regional government.

    Kevin Sexton - Chief Information Officer

    Kevin Sexton, the Chief Information Officer at Onondaga County, NY, architects the digital infrastructure and technology strategy required to support modern government operations. Overseeing the implementation of secure data systems, the Chief Information Officer ensures that all municipal departments possess the tools necessary for efficient service delivery. Kevin Sexton manages the integration of advanced software solutions that streamline public access to county resources. By prioritizing cybersecurity and data integrity, the Chief Information Officer protects sensitive information while enabling digital transformation across the region. This leadership role involves evaluating emerging technologies to improve the connectivity of the county's transportation and administrative networks. Sexton drives innovation by modernizing legacy systems and enhancing the overall digital experience for residents. Through strategic investment in technology, the Chief Information Officer supports the county's goal of becoming a technologically advanced hub in the Northeast. By optimizing IT resources, the Chief Information Officer ensures long-term operational resilience.
    Kevin Sexton

    Elisabeth Vassar - Secretary To Chief Information Officer

    Elisabeth Vassar, the Secretary To Chief Information Officer at Onondaga County, NY, manages the administrative functions and scheduling requirements for the technology department. Coordinating the daily activities of the Chief Information Officer, the Secretary To Chief Information Officer ensures that technical projects remain on schedule and that communication flows effectively between IT teams and other government branches. Elisabeth Vassar organizes critical documentation and maintains records of departmental initiatives, supporting the overall efficiency of the technology division. By handling logistical details, the Secretary To Chief Information Officer allows the leadership team to focus on high-level strategic planning and infrastructure development. This role involves managing correspondence and facilitating meetings that drive the county's digital agenda. Vassar supports the successful execution of technology policies by ensuring that administrative tasks receive prompt attention. Through diligent support, the Secretary To Chief Information Officer contributes to the stability and productivity of the county's information technology operations.

    Michele Clark - Deputy Chief Information Officer

    Michele Clark, the Deputy Chief Information Officer at Onondaga County, NY, executes the tactical deployment of technology initiatives and manages the day-to-day operations of the IT department. Overseeing the technical staff, the Deputy Chief Information Officer ensures that hardware and software systems remain operational and secure. Michele Clark monitors network performance and implements upgrades that support the county's digital connectivity goals. By managing the technical implementation of government services, the Deputy Chief Information Officer ensures that residents receive reliable access to digital resources. This role involves troubleshooting complex system issues and coordinating with external vendors to maintain the integrity of the county's infrastructure. Clark drives operational efficiency by optimizing internal workflows and ensuring that technology projects meet strict deadlines. Through hands-on management of IT assets, the Deputy Chief Information Officer supports the broader strategic vision of the county. By maintaining robust systems, the Deputy Chief Information Officer ensures consistent service delivery.

    Nathaniel Stevens - Deputy Director

    Nathaniel Stevens, the Deputy Director at Onondaga County, NY, manages daily administrative operations and coordinates interdepartmental workflows to ensure government efficiency. Overseeing regional resource allocation, the Deputy Director aligns departmental goals with the broader mission of providing essential services to the Syracuse area. Nathaniel Stevens monitors fiscal performance and operational output, ensuring that public initiatives meet the needs of the community. By collaborating with other executive leaders, the Deputy Director optimizes service delivery across the county. This leadership role involves streamlining bureaucratic processes to improve responsiveness for local constituents. Through rigorous oversight of municipal projects, the Deputy Director maintains high standards of public accountability. Stevens drives continuous improvement in administrative functions, ensuring that the county remains a functional hub within the Northeast. By focusing on operational scalability, the Deputy Director supports the long-term stability of regional government services.

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    Frequently Asked Questions Regarding Onondaga County, NY Top Executives and Leadership Team

    Who leads Onondaga County, NY?
    Onondaga County, NY is led by Isabelle Harris (Chief of Staff), along with executives such as Kevin Sexton (Chief Information Officer) and Elisabeth Vassar (Secretary To Chief Information Officer).
    Who is part of Onondaga County, NY’s executive team?
    The executive team of Onondaga County, NY includes leaders such as Isabelle Harris (Chief of Staff), Kevin Sexton (Chief Information Officer), Elisabeth Vassar (Secretary To Chief Information Officer) and other senior executives.
    How many executives does Onondaga County, NY have?
    Onondaga County, NY has 5 executives leading key business areas.
    What roles are included in Onondaga County, NY’s leadership team?
    The leadership team of Onondaga County, NY includes roles such as Chief of Staff, Chief Information Officer, Secretary To Chief Information Officer, Deputy Chief Information Officer, Deputy Director.