Leadership Overview
Cook County Government has 10 executives leading key functions including strategy, technology, operations, finance, and administration.
Driven by a commitment to public service, Cook County Government provides essential services like healthcare, legal aid, and public safety, implementing policies to serve its residents and maintain a comprehensive range of public facilities.
Driven by a commitment to public service, Cook County Government provides essential services like healthcare, legal aid, and public safety, implementing policies to serve its residents and maintain a comprehensive range of public facilities.
Leadership Roles at Cook County Government
Jeannie Aguilar - Chief Executive Officer
Jeannie Aguilar, the Chief Executive Officer at Cook County Government, directs the overarching strategy and vision for the county's extensive public services. Aguilar oversees the implementation of policies designed to enhance the lives of county residents, ensuring efficient delivery of critical functions such as healthcare, legal services, and public safety. This leadership role involves coordinating efforts across numerous departments, fostering collaboration to achieve the county's mission. Aguilar's strategic direction guides the organization's response to evolving community needs and its commitment to operational excellence. The Chief Executive Officer ensures alignment with the county's foundational principles of public service and fiscal responsibility, driving initiatives that support sustainable growth and resident well-being across Illinois.
Raymond Balcarcel - Chief Financial Officer
Raymond Balcarcel, the Chief Financial Officer at Cook County Government, directs all financial operations and fiscal planning for the county. Balcarcel oversees budgeting, revenue collection, expenditure management, and financial reporting, ensuring fiscal integrity and accountability. The Chief Financial Officer develops financial strategies to support the delivery of essential public services, including healthcare and public safety, while managing tax collection processes. Raymond Balcarcel's expertise is crucial for maintaining the county's financial stability and optimizing the allocation of public funds. This role ensures that Cook County Government operates within its financial means and maximizes the impact of its resources for the benefit of its residents.
Thomas Glaser - Chief Operating Officer
Thomas Glaser, the Chief Operating Officer at Cook County Government, manages the day-to-day operational execution of public services across the county. Glaser oversees the coordination of various departments, ensuring seamless delivery of essential functions including property assessment, tax collection, and record-keeping. The Chief Operating Officer drives process improvements and operational efficiencies, optimizing resource allocation to meet the needs of county residents. Thomas Glaser's responsibilities include maintaining the functionality of county facilities and ensuring compliance with regulatory standards. This leadership position is critical for translating policy directives into tangible public benefits, reinforcing the government's commitment to effective and responsive service provision throughout Cook County.
Kathleen Lynch - Chief Technology Officer
Kathleen Lynch, the Chief Technology Officer at Cook County Government, architects the technological infrastructure supporting essential public services. Lynch directs the development and deployment of innovative IT solutions that enhance operational efficiency and service delivery across healthcare, public safety, and administrative functions. Overseeing all technology initiatives, the Chief Technology Officer ensures robust cybersecurity measures and data integrity for sensitive resident information. Lynch's role involves strategic planning for technology upgrades and digital transformation projects, aligning IT capabilities with the county's long-term goals. By optimizing digital platforms and systems, Kathleen Lynch drives advancements in service accessibility and governmental transparency for Cook County residents.
Jamila McMillon - Chief of Staff
Jamila McMillon, the Chief of Staff at Cook County Government, provides strategic support and operational oversight to the executive leadership. McMillon manages key initiatives, facilitates interdepartmental communication, and ensures the effective implementation of the county's strategic agenda. The Chief of Staff coordinates the activities of various offices, streamlining workflows and enhancing organizational effectiveness. Jamila McMillon's role involves advising on policy matters and driving critical projects that advance the government's mission of public service. This position is central to maintaining operational coherence and ensuring that executive priorities are translated into actionable plans across all county functions.
Christopher Provenzano - Deputy Chief of Staff
Christopher Provenzano, the Deputy Chief of Staff at Cook County Government, supports the Chief of Staff in managing strategic initiatives and operational coordination. Provenzano assists in overseeing departmental activities, ensuring alignment with executive directives and facilitating efficient communication across the organization. The Deputy Chief of Staff plays a key part in implementing policies related to public services, including legal and administrative functions. Christopher Provenzano's contributions are vital for enhancing the operational capacity of the government and ensuring the effective execution of its public service mandate throughout Cook County.
David Byrnes - Chief of Staff & Chief & Deputy Treasurer
David Byrnes, the Chief of Staff & Chief & Deputy Treasurer at Cook County Government, holds dual responsibilities in strategic administration and treasury management. Byrnes oversees critical financial functions, including treasury operations and deputy treasurer duties, ensuring the sound management of county funds and assets. Simultaneously, as Chief of Staff, Byrnes supports the executive leadership in driving strategic initiatives and operational coordination across various county departments. David Byrnes's comprehensive oversight contributes significantly to both the financial stability and the efficient delivery of public services, reinforcing the government's commitment to fiscal responsibility and effective governance.
Mary Horace - Deputy Chief Information Officer
Mary Horace, the Deputy Chief Information Officer at Cook County Government, assists in the strategic direction and management of the county's information technology infrastructure. Horace supports the Chief Technology Officer in overseeing the implementation of technology solutions that enhance public service delivery, including healthcare and public safety systems. The Deputy Chief Information Officer plays a crucial role in ensuring the security and reliability of IT operations and data management. Mary Horace's efforts contribute to the modernization of county systems, improving accessibility and efficiency for residents and government staff alike.
Elizabeth Polmanski - Deputy Chief of Staff
Elizabeth Polmanski, the Deputy Chief of Staff at Cook County Government, provides essential support to the Chief of Staff in executing the county's strategic objectives. Polmanski contributes to the coordination of departmental operations and the implementation of key policies affecting public services. The Deputy Chief of Staff facilitates communication and collaboration among various government entities, ensuring smooth workflow and efficient resource utilization. Elizabeth Polmanski's role is integral to advancing the government's mission by supporting executive leadership in driving operational excellence and service delivery across Cook County.
Hannah Fierle - Chief of Staff & County Cook & Bridget Gainer Commissioner
Hannah Fierle, the Chief of Staff & County Cook & Bridget Gainer Commissioner at Cook County Government, manages strategic operations and supports the Bridget Gainer Commissioner's initiatives. Fierle oversees critical administrative functions and ensures the effective implementation of policies impacting county services. The Chief of Staff & County Cook & Bridget Gainer Commissioner role involves coordinating efforts across various departments to enhance public service delivery and operational efficiency. Hannah Fierle's leadership contributes to the government's commitment to serving county residents by driving strategic projects and fostering interdepartmental collaboration.
Explore Leadership Teams in Government
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