Galveston County, TX Executive and Leadership Team

August, 2026

Leadership Overview

Galveston County, TX has 4 executives leading key functions including administrative oversight, financial management, information technology, and fiscal planning.

Committed to public service excellence, Galveston County, TX delivers essential governance, emergency management, and community resources to residents, businesses, and visitors across the region through transparent and efficient administrative operations.

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 all county-wide administrative functions and emergency management protocols. Overseeing the implementation of public safety initiatives, the Chief Executive Officer & Administrator ensures that all departments align with the strategic goals established by the governing board. This leadership role involves managing complex inter-departmental workflows to provide seamless services for local residents and businesses. By optimizing resource allocation across parks, cultural services, and public safety divisions, Zonia Wilturner- Smith maintains high standards of operational efficiency. The Chief Executive Officer & Administrator also coordinates with regional stakeholders to address the evolving needs of the community. Through rigorous oversight of county governance, the Chief Executive Officer & Administrator secures the long-term stability of public services. This position requires constant monitoring of service delivery metrics to ensure that the county meets the diverse requirements of the population while maintaining fiscal responsibility.

    Diana Huallpa - Chief Financial Officer

    Diana Huallpa, the Chief Financial Officer at Galveston County, TX, manages the entire fiscal framework and budgetary planning for the organization. Overseeing property tax collection systems and public fund distribution, the Chief Financial Officer ensures total compliance with state and local financial regulations. This leadership role involves architecting long-term financial strategies that support the expansion of county services and infrastructure projects. By analyzing revenue streams and expenditure patterns, Diana Huallpa provides the necessary data for informed decision-making by the governing board. The Chief Financial Officer also directs the audit processes to maintain transparency in all court records and administrative financial filings. Through meticulous management of the county treasury, the Chief Financial Officer safeguards public assets against economic volatility. This position requires constant collaboration with other executive leaders to align departmental budgets with the overarching mission of providing high-quality services to the residents of the region.
    Diana Huallpa

    Christian Monterrubio - Deputy Chief Financial Officer

    Christian Monterrubio, the Deputy Chief Financial Officer at Galveston County, TX, executes the daily financial operations and accounting procedures for the county. Overseeing the reconciliation of property tax payments and court-related fees, the Deputy Chief Financial Officer ensures accuracy in all transactional data. This leadership role involves supporting the Chief Financial Officer in the preparation of comprehensive financial reports and budget forecasts. By streamlining the payment processing systems, Christian Monterrubio enhances the speed and reliability of services for local businesses and residents. The Deputy Chief Financial Officer also manages the internal controls necessary to prevent fraud and ensure the integrity of all financial records. Through the coordination of daily cash flow management, the Deputy Chief Financial Officer maintains the liquidity required for essential county operations. This position requires constant attention to detail and a deep understanding of the fiscal policies that govern the administrative functions of the county.

    Misty Witmer - Chief Information Officer

    Misty Witmer, the Chief Information Officer at Galveston County, TX, architects the digital infrastructure required for modern government service delivery. Overseeing the security of court records, voter registration databases, and public-facing web portals, the Chief Information Officer ensures that all technological systems remain resilient and accessible. This leadership role involves implementing advanced cybersecurity measures to protect sensitive resident data from emerging threats. By modernizing the internal network architecture, Misty Witmer improves the efficiency of administrative functions and public safety communications. The Chief Information Officer also drives the digital transformation of community resources, enabling easier access for job seekers and event organizers. Through the integration of scalable cloud solutions, the Chief Information Officer supports the broader operational goals of the county. This position requires constant evaluation of new technologies to enhance the user experience for visitors and residents while maintaining strict adherence to data privacy standards across all digital platforms.

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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.