Harris County, TX Executive and Leadership Team

May, 2026

Leadership Overview

Harris County, TX has 10 executives leading key functions including strategy, operations, finance, and human resources.

Driven by a commitment to public service, Harris County, TX provides essential services, manages infrastructure, and fosters community development for the Houston metropolitan area, impacting millions of residents through its extensive governmental operations.

Leadership Roles at Harris County, TX

  • President & Chief Executive Officer - David Lopez
  • Chief Financial Officer - Brian Baxendale
  • Deputy Chief Financial Officer - Richard Williams
  • Chief Operating Officer - George Greanias
  • Chief of Staff - George Hammerlein
  • Deputy Chief of Staff - Kimberly Henderson
  • Chief of Staff, OperationsnOffice - Tiko Reynolds- Hausman
  • Deputy Chief of Staff, Support Services - Jose Jimenez
  • Chief People Officer - Andrea Rowley
  • Interim Chief People Officer - Sakita Douglas
  • David Lopez - President & Chief Executive Officer

    David Lopez, the President & Chief Executive Officer at Harris County, TX, directs the overarching strategy and executive leadership for the county government. Lopez guides the organization's mission to deliver essential public services, including healthcare, legal aid, and infrastructure management, across the expansive Houston metropolitan area. This leadership role involves coordinating efforts across numerous departments focused on public safety, community development, and administrative functions, ensuring alignment with the county's foundational establishment in 1836. Lopez's strategic vision drives the county's extensive digital presence, enhancing citizen access to government resources and online services. The President & Chief Executive Officer ensures operational efficiency and effective resource allocation, maintaining the county's position as one of the largest local government entities in the United States. David Lopez's executive oversight is critical for maintaining public trust and advancing the county's commitment to its residents.

    Brian Baxendale - Chief Financial Officer

    Brian Baxendale, the Chief Financial Officer at Harris County, TX, oversees all financial operations and fiscal management for the county government. Baxendale directs the budgeting, accounting, and financial planning processes, ensuring fiscal responsibility and sustainability for the extensive public services provided to the Houston metropolitan area. This critical role involves managing financial resources for departments focused on public safety, healthcare, and infrastructure development. The Chief Financial Officer ensures compliance with financial regulations and develops strategies to optimize the county's financial health. Brian Baxendale's expertise is vital for maintaining the integrity of the county's financial systems and supporting its long-term growth objectives. Baxendale's financial stewardship underpins the county's ability to serve its residents effectively.

    Richard Williams - Deputy Chief Financial Officer

    Richard Williams, the Deputy Chief Financial Officer at Harris County, TX, supports the Chief Financial Officer in managing the county's comprehensive financial operations. Williams assists in the oversight of budgeting, financial reporting, and fiscal planning, ensuring the effective allocation of resources for public services across the Houston metropolitan area. This role involves contributing to strategies that maintain the financial stability of departments responsible for healthcare, infrastructure, and public safety. The Deputy Chief Financial Officer plays a key part in ensuring adherence to financial policies and supporting the overall fiscal health of the county government. Richard Williams's contributions are integral to the efficient management of the county's finances, supporting its mission to serve residents. Williams aids in maintaining the integrity of financial systems.

    George Greanias - Chief Operating Officer

    George Greanias, the Chief Operating Officer at Harris County, TX, directs the day-to-day operational execution of county services, ensuring efficiency and effectiveness across all departments. Greanias oversees the management of critical infrastructure, public safety initiatives, and community development programs that serve the Houston metropolitan area. This executive function involves optimizing resource allocation and streamlining processes to support the county's extensive public service delivery, including healthcare and legal services. The Chief Operating Officer ensures that operational strategies align with the county's mission of serving its residents, maintaining high standards of performance. George Greanias's leadership is essential for the robust functioning of the county's administrative and service-oriented departments, driving operational excellence.

    George Hammerlein - Chief of Staff

    George Hammerlein, the Chief of Staff at Harris County, TX, manages the strategic implementation of executive directives and oversees the coordination of key administrative functions. Hammerlein ensures seamless communication and operational synergy between the President & Chief Executive Officer and various departmental heads, facilitating the delivery of essential public services across the Houston metropolitan area. This role involves streamlining operational processes and supporting the county's extensive infrastructure management initiatives. The Chief of Staff plays a pivotal part in advancing the county's public safety and community development goals, directly supporting the executive leadership's agenda. Hammerlein's focus remains on enhancing governmental efficiency and ensuring the effective execution of policies that benefit Harris County residents. George Hammerlein's leadership ensures the smooth functioning of the county's administrative operations.

    Kimberly Henderson - Deputy Chief of Staff

    Kimberly Henderson, the Deputy Chief of Staff at Harris County, TX, assists the Chief of Staff in coordinating executive initiatives and managing interdepartmental communications. Henderson supports the strategic implementation of county policies and ensures operational alignment across various service delivery departments within the Houston metropolitan area. This role involves facilitating the smooth execution of administrative functions and contributing to the county's public safety and community development efforts. The Deputy Chief of Staff helps streamline workflows and enhances the efficiency of the executive office's operations. Kimberly Henderson's support is crucial for the effective functioning of the county government, ensuring that executive directives are carried out efficiently. Henderson contributes to operational synergy.

    Tiko Reynolds- Hausman - Chief of Staff, OperationsnOffice

    Tiko Reynolds- Hausman, the Chief of Staff, OperationsnOffice at Harris County, TX, directs operational strategies and oversees the execution of key initiatives within the county's operational divisions. Reynolds- Hausman ensures that the county's extensive public services, including infrastructure management and public safety, are delivered efficiently across the Houston metropolitan area. This leadership position involves coordinating departmental efforts to enhance service delivery and operational effectiveness. The Chief of Staff, OperationsnOffice plays a vital role in optimizing resource utilization and driving performance improvements throughout the county's operational structure. Tiko Reynolds- Hausman's focus is on strengthening the county's operational capabilities to better serve its residents. Reynolds- Hausman drives operational excellence.

    Jose Jimenez - Deputy Chief of Staff, Support Services

    Jose Jimenez, the Deputy Chief of Staff, Support Services at Harris County, TX, manages and enhances the delivery of essential support services across county departments. Jimenez oversees the coordination of administrative and operational support functions, ensuring that resources are effectively utilized to facilitate public service delivery throughout the Houston metropolitan area. This role involves improving the efficiency of internal operations and contributing to the county's overall service mission. The Deputy Chief of Staff, Support Services focuses on strengthening the foundational support systems that enable departments to meet community needs. Jose Jimenez's leadership ensures that support services are robust and responsive, contributing to the county's operational integrity. Jimenez optimizes internal processes.

    Andrea Rowley - Chief People Officer

    Andrea Rowley, the Chief People Officer at Harris County, TX, leads human resources strategy and talent management for the county government. Rowley oversees initiatives focused on employee recruitment, development, and retention, ensuring a skilled and dedicated workforce to deliver essential public services across the Houston metropolitan area. This executive role involves fostering a positive organizational culture and implementing policies that support employee well-being and professional growth. The Chief People Officer is instrumental in aligning human capital strategies with the county's broader mission of community development and public safety. Andrea Rowley's expertise is crucial for building and maintaining a high-performing team. Rowley drives talent acquisition and development.
    Andrea Rowley

    Sakita Douglas - Interim Chief People Officer

    Sakita Douglas, the Interim Chief People Officer at Harris County, TX, provides temporary leadership for human resources functions, ensuring continuity in talent management and employee support. Douglas oversees critical HR operations, including recruitment and employee relations, to maintain the operational capacity of departments serving the Houston metropolitan area. This role involves supporting the county's commitment to its workforce while ensuring adherence to HR policies and best practices. The Interim Chief People Officer works to sustain a productive work environment and facilitate employee development during this transitional period. Sakita Douglas's leadership ensures that essential HR services continue without interruption, supporting the county's ongoing mission. Douglas maintains HR operational continuity.

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

    Who leads Harris County, TX?
    Harris County, TX is led by David Lopez (President & Chief Executive Officer), along with executives such as Brian Baxendale (Chief Financial Officer) and Richard Williams (Deputy Chief Financial Officer).
    Who is part of Harris County, TX’s executive team?
    The executive team of Harris County, TX includes leaders such as David Lopez (President & Chief Executive Officer), Brian Baxendale (Chief Financial Officer), Richard Williams (Deputy Chief Financial Officer) and other senior executives.
    How many executives does Harris County, TX have?
    Harris County, TX has 10 executives leading key business areas.
    What roles are included in Harris County, TX’s leadership team?
    The leadership team of Harris County, TX includes roles such as President & Chief Executive Officer, Chief Financial Officer, Deputy Chief Financial Officer, Chief Operating Officer, Chief of Staff.