San Bernardino County Executive and Leadership Team

September, 2026

Leadership Overview

San Bernardino County has 7 executives leading key functions including administrative oversight, financial management, operational strategy, and public health services.

Committed to regional excellence, San Bernardino County delivers essential public services while fostering sustainable growth across the Inland Empire through transparent governance and community-focused initiatives.

Leadership Roles at San Bernardino County

  • Chief Financial Officer - Yolanda Comer
  • Chief Operating Officer - Luther Snoke
  • Chief of Staff - Claire Cozad
  • Chief Medical Officer - Aileen Lo
  • Deputy Director - Kathleen Oles
  • Deputy Director - Mia Sullivan
  • Deputy Director - Jessica Cuthbert
  • Yolanda Comer - Chief Financial Officer

    Yolanda Comer, the Chief Financial Officer at San Bernardino County, directs all fiscal planning, budget development, and financial reporting for the organization. Comer manages the allocation of public funds to ensure long-term economic stability and fiscal responsibility. By overseeing complex audit processes, the Chief Financial Officer maintains strict compliance with state and federal financial regulations. Yolanda Comer provides critical insights to the Board of Supervisors regarding revenue projections and expenditure management. This leadership role involves optimizing the capital structure to support essential public projects across the Inland Empire. Through rigorous financial analysis, the Chief Financial Officer identifies opportunities for cost savings and operational efficiency. Comer coordinates with external financial institutions to manage debt obligations and investment portfolios. By ensuring the integrity of all fiscal operations, the Chief Financial Officer supports the sustainable growth of the county. Ultimately, Comer safeguards the financial health of the entire organization.

    Luther Snoke - Chief Operating Officer

    Luther Snoke, the Chief Operating Officer at San Bernardino County, directs the daily operational activities and service delivery mechanisms across all county departments. Snoke manages the integration of technology and process improvements to enhance the efficiency of public services. By overseeing large-scale operational logistics, the Chief Operating Officer ensures that resources are deployed effectively to meet community needs. Luther Snoke collaborates with other C-suite leaders to implement performance management systems that track service quality and operational output. This leadership role involves identifying bottlenecks in service delivery and architecting solutions to streamline workflows. Through continuous process optimization, the Chief Operating Officer drives improvements in organizational productivity. Snoke monitors regional operational trends to ensure the county remains competitive and responsive to changing demands. By maintaining a focus on operational excellence, the Chief Operating Officer supports the long-term mission of the county. Ultimately, Snoke ensures the seamless functioning of all essential public services.

    Claire Cozad - Chief of Staff

    Claire Cozad, the Chief of Staff at San Bernardino County, coordinates executive operations and facilitates communication between the Board of Supervisors and department leadership. Cozad directs the strategic agenda to ensure alignment with the overarching goals of the county. By managing high-level projects and policy initiatives, the Chief of Staff streamlines decision-making processes across the organization. Claire Cozad serves as a primary liaison for intergovernmental relations, representing the county in regional and state-level discussions. This leadership role involves synthesizing complex information to provide actionable recommendations for executive action. Through effective management of the executive office, the Chief of Staff enhances organizational agility and responsiveness. Cozad monitors the progress of key initiatives to ensure timely completion and adherence to strategic objectives. By fostering collaboration among diverse departments, the Chief of Staff drives unity in the pursuit of public service excellence. Ultimately, Cozad ensures the smooth execution of all administrative priorities.

    Aileen Lo - Chief Medical Officer

    Aileen Lo, the Chief Medical Officer at San Bernardino County, directs public health strategy and clinical oversight for the county health system. Lo manages the implementation of medical programs and disease prevention initiatives to protect the well-being of the population. By coordinating with regional healthcare providers, the Chief Medical Officer ensures equitable access to essential medical services. Aileen Lo provides expert guidance on public health policy and emergency response planning to the Board of Supervisors. This leadership role involves analyzing health data to identify emerging trends and resource requirements. Through strategic partnerships, the Chief Medical Officer enhances the capacity of the local healthcare infrastructure. Lo oversees the quality assurance of clinical services to maintain high standards of patient care. By prioritizing community health outcomes, the Chief Medical Officer supports the broader mission of the county. Ultimately, Lo ensures the effective management of all public health resources.

    Kathleen Oles - Deputy Director

    Kathleen Oles, the Deputy Director at San Bernardino County, manages critical infrastructure projects and public works initiatives across the Inland Empire. Oles directs departmental resource allocation to ensure efficient service delivery for residents. By coordinating with regional stakeholders, the Deputy Director optimizes project timelines and budget adherence. Kathleen Oles maintains rigorous standards for public safety and environmental compliance within the county. This leadership role involves analyzing complex data sets to improve service accessibility. Through strategic planning, the Deputy Director supports the broader mission of enhancing local quality of life. Oles monitors performance metrics to identify areas for operational improvement. By fostering collaboration between internal teams and external contractors, the Deputy Director drives progress on large-scale developments. Ultimately, Oles ensures that all infrastructure investments align with the long-term growth objectives of the county.

    Mia Sullivan - Deputy Director

    Mia Sullivan, the Deputy Director at San Bernardino County, oversees social services and community outreach programs designed to support vulnerable populations. Sullivan directs the implementation of welfare initiatives and public assistance frameworks across the region. By evaluating program efficacy, the Deputy Director ensures that resources reach those with the greatest need. Mia Sullivan coordinates with state and federal agencies to secure funding for essential community support systems. This leadership role requires constant monitoring of demographic shifts and service demand patterns. Through proactive policy development, the Deputy Director addresses systemic challenges within the local social safety net. Sullivan manages cross-functional teams to streamline application processes and improve client outcomes. By prioritizing equitable access to public resources, the Deputy Director strengthens the social fabric of the county. Ultimately, Sullivan maintains high standards of accountability and transparency in all community-facing operations.

    Jessica Cuthbert - Deputy Director

    Jessica Cuthbert, the Deputy Director at San Bernardino County, manages human resources and organizational development strategies for the entire county workforce. Cuthbert directs talent acquisition, employee training, and labor relations to maintain a high-performing public sector team. By implementing modern workforce management systems, the Deputy Director improves internal efficiency and staff retention. Jessica Cuthbert collaborates with department heads to align staffing levels with evolving service requirements. This leadership role involves navigating complex regulatory environments to ensure fair employment practices. Through strategic workforce planning, the Deputy Director prepares the organization for future operational demands. Cuthbert oversees the development of professional growth programs that enhance the capabilities of county personnel. By fostering a culture of accountability and excellence, the Deputy Director supports the overall mission of the county. Ultimately, Cuthbert secures the human capital necessary to sustain high-quality public service delivery.

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    Frequently Asked Questions Regarding San Bernardino County Top Executives and Leadership Team

    Who leads San Bernardino County?
    San Bernardino County is led by Yolanda Comer (Chief Financial Officer), along with executives such as Luther Snoke (Chief Operating Officer) and Claire Cozad (Chief of Staff).
    Who is part of San Bernardino County’s executive team?
    The executive team of San Bernardino County includes leaders such as Yolanda Comer (Chief Financial Officer), Luther Snoke (Chief Operating Officer), Claire Cozad (Chief of Staff) and other senior executives.
    How many executives does San Bernardino County have?
    San Bernardino County has 7 executives leading key business areas.
    What roles are included in San Bernardino County’s leadership team?
    The leadership team of San Bernardino County includes roles such as Chief Financial Officer, Chief Operating Officer, Chief of Staff, Chief Medical Officer, Deputy Director.