Galveston County, TX Executive and Leadership Team

May, 2026

Leadership Overview

Galveston County has 4 executives leading key functions including strategy, finance, information technology, and deputy finance.

Driven by transparency and community resilience, Galveston County, TX continually strives to improve the quality of life for its citizens by providing essential services and fostering local business growth.

Leadership Roles at Galveston County, TX

  • Chief Executive Officer & Administrator - Zonia Wilturner- Smith
  • Chief Financial Officer - Diana Huallpa
  • Deputy Chief Financial Officer - Christian Monterrubio
  • Chief Information Officer - Misty Witmer
  • Zonia Wilturner- Smith - Chief Executive Officer & Administrator

    Zonia Wilturner- Smith, the Chief Executive Officer & Administrator at Galveston County, TX, directs the overall strategic vision and operational execution for county services. Overseeing essential functions such as property tax management and public safety resources, Wilturner-Smith ensures efficient delivery of government services to residents, businesses, and visitors. This leadership role involves fostering community engagement and driving initiatives that enhance the quality of life across the county. By championing transparency, Zonia Wilturner- Smith guides the county's commitment to resilience and continuous improvement in all governmental operations. The Administrator's purview extends to supporting local businesses through tax abatement programs, directly impacting economic development within the region. This executive's focus remains on optimizing resource allocation and ensuring robust governance structures are in place to meet the evolving needs of Galveston County.

    Diana Huallpa - Chief Financial Officer

    Diana Huallpa, the Chief Financial Officer at Galveston County, TX, manages the fiscal health and financial strategy of the county government. Huallpa directs all aspects of financial planning, budgeting, and reporting, ensuring compliance with state and federal regulations. This role is critical in overseeing property tax management and allocating resources effectively across various county departments, including public safety and recreational facilities. The Chief Financial Officer's responsibilities include developing financial models to support long-term sustainability and economic development initiatives, such as tax abatement programs for local businesses. Diana Huallpa also collaborates with the Chief Executive Officer & Administrator to ensure financial transparency and accountability to residents and stakeholders. By optimizing financial operations, Huallpa directly contributes to the county's commitment to community resilience and improved quality of life for its citizens.
    Diana Huallpa

    Christian Monterrubio - Deputy Chief Financial Officer

    Christian Monterrubio, the Deputy Chief Financial Officer at Galveston County, TX, supports the Chief Financial Officer in managing the county's financial operations and fiscal integrity. Monterrubio assists in the development and execution of budgets, financial forecasts, and reporting mechanisms, ensuring adherence to all regulatory requirements. This role is integral to overseeing the financial aspects of services like property tax management and public safety, contributing to efficient resource allocation. Christian Monterrubio works closely with the CFO to implement financial strategies that support local businesses through tax abatement programs and enhance community resilience. By providing critical financial analysis and support, Monterrubio directly contributes to the county's commitment to transparency and its ongoing efforts to improve the quality of life for its residents. The Deputy CFO's involvement ensures comprehensive oversight of financial planning and execution across all county departments.

    Misty Witmer - Chief Information Officer

    Misty Witmer, the Chief Information Officer at Galveston County, TX, leads the county's technology strategy and digital infrastructure. Witmer oversees the implementation and management of information systems that support essential county services, including property tax management, election information, and public safety resources. This executive's mandate includes ensuring the security and reliability of all technological assets, safeguarding sensitive resident data. Misty Witmer drives innovation in digital service delivery, enhancing accessibility for residents, businesses, and visitors seeking information and county governance resources. The Chief Information Officer plays a crucial part in fostering community resilience through robust technological solutions and supports the county's commitment to transparency by enabling efficient data management and communication channels. Witmer's leadership ensures that technology effectively supports the county's mission to improve the quality of life for all citizens.

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    Frequently Asked Questions Regarding Galveston County, TX Top Executives and Leadership Team

    Who leads Galveston County, TX?
    Galveston County, TX is led by Zonia Wilturner- Smith (Chief Executive Officer & Administrator), along with executives such as Diana Huallpa (Chief Financial Officer) and Christian Monterrubio (Deputy Chief Financial Officer).
    Who is part of Galveston County, TX’s executive team?
    The executive team of Galveston County, TX includes leaders such as Zonia Wilturner- Smith (Chief Executive Officer & Administrator), Diana Huallpa (Chief Financial Officer), Christian Monterrubio (Deputy Chief Financial Officer) and other senior executives.
    How many executives does Galveston County, TX have?
    Galveston County, TX has 4 executives leading key business areas.
    What roles are included in Galveston County, TX’s leadership team?
    The leadership team of Galveston County, TX includes roles such as Chief Executive Officer & Administrator, Chief Financial Officer, Deputy Chief Financial Officer, Chief Information Officer.