King County, WA Executive and Leadership Team

May, 2026

Leadership Overview

King County, WA has 10 executives leading key functions including strategy, operations, finance, and information technology.

Driven by a commitment to safe, equitable, and sustainable mobility, King County, WA prioritizes service where needs are greatest across the Puget Sound region.

Leadership Roles at King County, WA

  • Chief Executive Officer & Executive Director - Mirya Muñoz-Roach
  • Chief Executive Officer & Executive Director - Mirya Ma
  • Chief Financial Officer - Mary-Ann C Taja
  • Chief of Staff - Cody Eccles
  • Chief Information Officer - Juan Pineda
  • Chief of Staff I - Sandra Newton
  • Chief of Staff II - Geoffrey Thomas
  • Chief of Staff To King County Councilmember Sarah Perry - Elizabeth Hollingshead
  • Chief of Staff - District Four, King County Council - Adam Cooper
  • Chief of Staff for Councilmember Rod Dembowski - Kristina Logsdon
  • Mirya Muñoz-Roach - Chief Executive Officer & Executive Director

    Mirya Muñoz-Roach, the Chief Executive Officer & Executive Director at King County, WA, directs the strategic vision and operational execution for the Puget Sound region's largest public transportation agency. Muñoz-Roach oversees the comprehensive delivery of bus, paratransit, vanpool, and water taxi services, ensuring alignment with the agency's commitment to safe, equitable, and sustainable mobility. This leadership role involves critical decision-making regarding service prioritization, resource allocation, and long-term planning to address the greatest community needs. Muñoz-Roach collaborates with regional partners to enhance transit connectivity and expand access across Washington. The Chief Executive Officer & Executive Director drives initiatives focused on operational efficiency and service excellence, directly impacting the daily commutes of thousands of residents. By championing innovation, Mirya Muñoz-Roach ensures King County Metro remains at the forefront of public transportation solutions, fostering economic vitality and environmental responsibility throughout the service area.

    Mirya Ma - Chief Executive Officer & Executive Director

    Mirya Ma, the Chief Executive Officer & Executive Director at King County, WA, spearheads the overarching strategy and daily operations for the region's primary public transit provider. Ma is responsible for guiding the agency's mission to deliver safe, equitable, and sustainable mobility solutions across the Puget Sound area. This executive position involves direct oversight of bus, paratransit, vanpool, and water taxi services, alongside management of the Seattle Streetcar and Sound Transit operations. Mirya Ma focuses on ensuring service delivery meets the highest standards of reliability and accessibility, particularly for communities with the most significant transportation needs. The Chief Executive Officer & Executive Director champions initiatives that enhance rider experience and operational effectiveness. By fostering strong relationships with stakeholders and government bodies, Ma drives forward the agency's commitment to innovation and service excellence. Mirya Ma's leadership ensures King County Metro effectively serves its diverse ridership and contributes to the region's overall connectivity and economic health.

    Mary-Ann C Taja - Chief Financial Officer

    Mary-Ann C Taja, the Chief Financial Officer at King County, WA, manages the fiscal health and financial strategy for the Puget Sound region's largest public transportation agency. Taja oversees all financial operations, including budgeting, accounting, treasury, and financial planning, ensuring the sustainable delivery of bus, paratransit, vanpool, and water taxi services. This critical role supports the agency's commitment to safe, equitable, and sustainable mobility by ensuring robust financial management and resource allocation. Mary-Ann C Taja directs efforts to optimize financial performance, secure funding, and maintain fiscal responsibility across all transit operations. The Chief Financial Officer collaborates closely with executive leadership and operational departments to align financial resources with strategic priorities, particularly in service areas with the greatest needs. By providing expert financial guidance, Mary-Ann C Taja ensures King County Metro can effectively invest in infrastructure, technology, and service enhancements to meet regional demands.

    Cody Eccles - Chief of Staff

    Cody Eccles, the Chief of Staff at King County, WA, provides critical strategic support and operational coordination for executive leadership within the transportation agency. Eccles manages key initiatives and facilitates communication across departments, ensuring the seamless execution of the agency's mission for safe, equitable, and sustainable mobility. This role involves advising senior leadership on policy matters, operational challenges, and strategic planning, directly contributing to the prioritization of services where needs are greatest. Cody Eccles oversees the coordination of complex projects and the efficient allocation of resources to support bus, paratransit, vanpool, and water taxi services. The Chief of Staff acts as a central point of contact, streamlining operations and enhancing interdepartmental collaboration. By driving operational improvements and supporting strategic decision-making, Cody Eccles plays a vital part in advancing King County Metro's commitment to regional connectivity and service excellence.

    Juan Pineda - Chief Information Officer

    Juan Pineda, the Chief Information Officer at King County, WA, directs the technology strategy and infrastructure supporting the region's comprehensive public transportation network. Pineda is responsible for overseeing all aspects of information technology, including systems that manage bus, paratransit, vanpool, and water taxi services, as well as the Seattle Streetcar and Sound Transit operations. This leadership position focuses on ensuring the reliability, security, and scalability of technology solutions that underpin the agency's commitment to safe, equitable, and sustainable mobility. Juan Pineda drives innovation in IT, implementing advanced systems to enhance operational efficiency and improve rider experience. The Chief Information Officer collaborates with executive leadership to align technology investments with strategic goals, prioritizing resources for critical service delivery. By championing digital transformation, Juan Pineda ensures King County Metro leverages technology to meet evolving transportation needs and maintain its position as a leading transit agency.

    Sandra Newton - Chief of Staff I

    Sandra Newton, the Chief of Staff I at King County, WA, provides essential operational support and strategic coordination for executive functions within the public transportation agency. Newton facilitates the efficient implementation of agency-wide initiatives, ensuring alignment with the mission of delivering safe, equitable, and sustainable mobility across the Puget Sound region. This role involves managing critical projects, streamlining communication channels, and advising leadership on operational matters related to bus, paratransit, vanpool, and water taxi services. Sandra Newton focuses on enhancing internal processes and supporting the prioritization of services where community needs are most pronounced. The Chief of Staff I plays a key part in driving operational excellence and fostering collaboration among diverse departments. By ensuring effective execution of strategic plans, Sandra Newton contributes significantly to King County Metro's ability to provide reliable and accessible transportation solutions for its riders.

    Geoffrey Thomas - Chief of Staff II

    Geoffrey Thomas, the Chief of Staff II at King County, WA, directs high-level strategic initiatives and operational oversight for the region's primary public transit provider. Thomas ensures the effective execution of the agency's commitment to safe, equitable, and sustainable mobility by coordinating complex projects and advising executive leadership. This position involves managing critical interdepartmental efforts and facilitating communication to support bus, paratransit, vanpool, and water taxi services. Geoffrey Thomas focuses on optimizing operational workflows and ensuring resources are strategically allocated to meet the greatest community needs. The Chief of Staff II plays a pivotal role in driving efficiency and supporting the agency's long-term planning objectives. By championing strategic alignment and operational improvements, Geoffrey Thomas significantly contributes to King County Metro's mission of providing essential transportation services throughout the Puget Sound area.

    Elizabeth Hollingshead - Chief of Staff To King County Councilmember Sarah Perry

    Elizabeth Hollingshead, the Chief of Staff To King County Councilmember Sarah Perry, provides dedicated strategic and operational support to Councilmember Perry's legislative and constituent service functions. Hollingshead manages the Councilmember's office, coordinating policy initiatives, legislative priorities, and community engagement efforts. This role involves extensive research, analysis, and communication to advance the Councilmember's agenda, ensuring effective representation for District Four. Elizabeth Hollingshead oversees the development and implementation of strategies that address key community needs and legislative objectives within King County. The Chief of Staff To King County Councilmember Sarah Perry acts as a primary liaison, facilitating communication between the Councilmember, county departments, and the public. By ensuring efficient office operations and strategic alignment, Elizabeth Hollingshead directly supports Councilmember Perry's commitment to public service and effective governance in Washington.

    Adam Cooper - Chief of Staff - District Four, King County Council

    Adam Cooper, the Chief of Staff - District Four, King County Council, provides comprehensive strategic and operational leadership for the office of the District Four Councilmember. Cooper directs the coordination of legislative priorities, policy development, and constituent outreach initiatives, ensuring effective representation for the district's residents. This role involves rigorous analysis of community issues and the development of actionable strategies to address them. Adam Cooper manages the day-to-day operations of the Councilmember's office, facilitating communication and collaboration with county departments and stakeholders. The Chief of Staff - District Four, King County Council plays a crucial part in advancing the Councilmember's agenda and advocating for the needs of the district. By ensuring efficient workflow and strategic focus, Adam Cooper significantly contributes to the effective governance and public service within King County, Washington.

    Kristina Logsdon - Chief of Staff for Councilmember Rod Dembowski

    Kristina Logsdon, the Chief of Staff for Councilmember Rod Dembowski, directs strategic operations and provides essential support for the Councilmember's legislative and community engagement activities. Logsdon manages the Councilmember's office, overseeing the development and execution of policy initiatives and ensuring effective communication with constituents and stakeholders across King County. This position requires in-depth analysis of critical issues and the formulation of strategic responses to advance the Councilmember's objectives. Kristina Logsdon facilitates collaboration between the Councilmember's office, county agencies, and community organizations to address pressing needs. The Chief of Staff for Councilmember Rod Dembowski plays a vital role in ensuring efficient office management and strategic alignment with the Councilmember's vision for public service. By driving key initiatives and fostering strong relationships, Kristina Logsdon significantly contributes to effective governance and representation in Washington.

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    Frequently Asked Questions Regarding King County, WA Top Executives and Leadership Team

    Who leads King County, WA?
    King County, WA is led by Mirya Muñoz-Roach (Chief Executive Officer & Executive Director), along with executives such as Mirya Ma (Chief Executive Officer & Executive Director) and Mary-Ann C Taja (Chief Financial Officer).
    Who is part of King County, WA’s executive team?
    The executive team of King County, WA includes leaders such as Mirya Muñoz-Roach (Chief Executive Officer & Executive Director), Mirya Ma (Chief Executive Officer & Executive Director), Mary-Ann C Taja (Chief Financial Officer) and other senior executives.
    How many executives does King County, WA have?
    King County, WA has 10 executives leading key business areas.
    What roles are included in King County, WA’s leadership team?
    The leadership team of King County, WA includes roles such as Chief Executive Officer & Executive Director, Chief Executive Officer & Executive Director, Chief Financial Officer, Chief of Staff, Chief Information Officer.