About the County Administrative Office

The County Administrative Office is privileged to serve a dynamic organization of dedicated leaders and county staff under the policy direction of the Board of Supervisors. The Chief Executive Officer, along with the Executive Team, work in collaboration with County departments, cities and school leaders, state and federal legislators and agencies, and all community stakeholders to make the County a better place to live, work, and play. The Office makes it a priority to develop a culture of excellence within the County organization to ensure county residents and investors receive the highest level of service from their County Government.

Senior Executive Team

Luther Snoke

Chief Executive Officer

Picture of Luther Snoke

Luther Snoke was appointed as San Bernardino County’s Chief Executive Officer on September 12, 2023. Prior to that he served as the Chief Operating Officer since October 2020. 

Luther believes County employees are Hungry, Humble, and Hustle every day. They are driven to make the lives of San Bernardino County’s residents better through dedication, teamwork, and innovation. He is a strong supporter of using data to guide decisions, fostering trust and accountability, and ensuring strategic alignment across the organization. He is also deeply committed to initiatives that help employees feel valued, empowered, and supported in their work.

As the County Chief Operating Officer, Luther worked closely with County executive leadership and Department Heads to advance the Countywide Vision and deliver vital services to San Bernardino County residents.  Throughout his County career, Luther has been instrumental in multiple projects including the long-needed completion of a new Lake Gregory Dam, the building of a new Big Bear Alpine Zoo, and construction of a new water system for Pioneertown.

Luther began his career with San Bernardino County in 2013 and has served as County Chief Operating Officer, Deputy Executive Officer, Strategic Initiatives Chief, and Administrative Analyst III. In each role he has effectively managed operations and partnerships to deliver results for San Bernardino County residents.  Prior to joining the County, Luther held multiple corporate leadership positions, including Vice President of Finance for a publicly traded healthcare organization.  Luther received his Business Administration degree from California State University, Fullerton, and is a CSAC Credentialed Senior Executive.

Matthew Erickson

Chief Financial Officer

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Matthew has over 20 years of experience in county administration and has served as the County’s Chief Financial Officer since 2018. In this role, he provides executive leadership over General Government Services, with responsibility over County financial operations and a portfolio including Human Resources, Labor Relations, Purchasing, Legislative Affairs and Governmental Relations, Risk Management, and the Innovation and Technology Department. Matthew also serves as a liaison to the County’s Assessor-Recorder-County Clerk and Auditor-Controller/Treasurer/Tax Collector.  Known for his steady leadership style and strategic focus, Matthew is committed to responsible stewardship and advancing outcomes that serve the residents of San Bernardino County.

Trevor Leja

Assistant Executive Officer

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Trevor Leja became an Assistant Executive Officer in September 2023. Trevor works closely with the County Executive Officer, County Executive Leadership and Department Heads to support the daily department operations of the County Communications Group, ICEMA, and Office of Emergency Services. Trevor also serves as Department Liaison to the Sheriff/Coroner/Public Administrator, District Attorney, Arrowhead Regional Medical Center, County Fire District, Probation, and the Public Defender.

Chad Nottingham

Assistant Executive Officer

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Chad Nottingham began his career with San Bernardino County in 2000 and currently serves as Assistant Executive Officer. In this role, he works closely with the Chief Executive Officer, County Executive leadership, and department heads to advance strategic priorities and uphold the Countywide Vision.

Prior to his current role, Chad served as Deputy Executive Officer. With more than 25 years of public service with the County, he provides executive oversight of Airports, Economic Development, Fleet Management, Land Use Services, Real Estate Services, and Workforce Development.

Gilbert Ramos

Assistant Executive Officer

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With over 32 years of service to the County, Gilbert has held numerous leadership roles, including Director of the Transitional Assistance Department (TAD). Since Gilbert’s promotion to Deputy Executive Officer in February of 2024, he has continued to demonstrate strong leadership and a commitment to supporting departments in achieving their vision and goals. As an Assistant Executive Officer, Gilbert provides oversight to Aging and Adult Services-Public Guardian, Child Support Services, First 5, In-Home Supportive Services Public Authority, Preschool Services, Transitional Assistance, and Veterans Affairs.

Diane Rundles

Assistant Executive Officer

Diane Rundles has been employed for San Bernardino County since May of 2019. As Assistant Executive Officer, she oversees Community Development & Housing, Office of Homeless Services, Behavioral Health, Public Health, and the Performance, Education, and Resource Centers (PERC). Diane has over 16 years of experience in Human Resources, and 24 years working in various government organizations. Diane possesses a master’s degree in Business Administration and has previously lectured as an adjunct professor at local universities. Her drive towards continuous improvement, nimble problem-solving skills, and her passion for making a difference makes her a very effective change agent and a valuable resource to San Bernardino County.

Michael Vu

Assistant Executive Officer

Michael is an accomplished executive with over 28 years of experience, most recently as the Assistant Chief Administrative Officer with San Diego County. Michael has extensive experience with governmental budget, Registrar of Voters operations, and policy implementation. Michael’s leadership style focuses on collaboration, ethics, and extensive communication.  As an Assistant Executive Officer, Michael oversees the departments of Agriculture/Weights & Measures, County Library, County Museum, Project & Facilities Management, Public Works, Regional Parks, and Registrar of Voters, with the support of Moe Yousif as Deputy Executive Officer

Communications Team

Martha Guzman-Hurtado

Chief Communications Officer

Picture of Martha Guzman-Hurtado

Martha Guzman-Hurtado joined the San Bernardino County Administrative Office as Chief Communications Officer in September 2021. 

Her responsibilities include:

  • Overseeing the One County. One Voice centralized communications approach to enhance countywide departmental collaboration. 
  • Developing clear, engaging, and targeted communications and marketing strategies to continue to elevate the County’s messaging and brand.
  • Leading a team of communication professionals to execute long-term communications goals and priorities.
  • Working collaboratively with departments to ensure all communications are consistent with the San Bernardino County brand and align with strategic goals.

Martha’s previous roles include Communications and Legislative Affairs Manager for the City of El Segundo, Communications and Marketing Manager for the City of Fontana, Public Information Coordinator for the Fontana Police Department, and Public Information Coordinator for the City of Yuma, Arizona. Martha earned a Master of Business Administration from Walden University and also holds dual Bachelor of Arts degrees in Broadcast Journalism and Political Science from the University of Southern California in Los Angeles. She worked as a broadcast news reporter at television stations throughout the country including Fresno, California; Raleigh-Durham, North Carolina; and Las Vegas, Nevada before transitioning to the public sector.

David Wert

Public Information Officer

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David Wert has served as San Bernardino County’s Public Information Officer since November 1999. His responsibilities include:

  • Serving as a liaison between the County and the news media.
  • Advising County leadership in their communications with the public, County employees, and the news media.
  • Providing the public, County employees, and the news media with information about the County.
  • Working collaboratively with the County’s team of communications professionals to ensure the public is aware of the County’s services and accomplishments.

Before joining the County team, David was a reporter with the Riverside-based Press-Enterprise, where in 1997 he helped launch the newspaper’s San Bernardino County edition and covered San Bernardino County government and politics.

Prior to that, David was City Editor of the Ontario-based Inland Valley Daily Bulletin, supervising a staff of 25 reporters and determining the daily content of the newspaper. Previously, David served as a reporter covering county government and politics in San Bernardino and Los Angeles counties for the Inland Valley Daily Bulletin. David studied Journalism, Political Science, and English at California State University, Long Beach and El Camino Community College in Torrance from 1982 to 1987. He worked as a reporter for the Los Angeles Times and small newspapers in Seal Beach and Lompoc before coming to the Inland Empire in April 1989.

Executive Team

Diana Atkeson

Assistant Chief Financial Officer

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Diana Atkeson has served San Bernardino County since 1996 and brings two decades of public accounting and finance experience to her role as Assistant County Chief Financial Officer. In this capacity, she supports the County Chief Financial Officer in leading the Finance and Administration department, with responsibility for the development and oversight of the County’s annual budget.

Diana plays a key role in shaping the County’s long-range fiscal strategy through the preparation of the five-year financial forecast and annual strategic plan. She also manages the administration of the County’s general fund long-term debt portfolio, including both issuance and post-issuance compliance, and provides oversight of the County’s Capital Improvement Program.

Prior to her current role, Diana spent 18 years with the Auditor-Controller/Treasurer/Tax Collector’s Office (ATC), where she most recently served as Assistant to the Elected ATC. She also previously served as Deputy Executive Officer within the County Administrative Office – Finance and Administration.

Having lived in San Bernardino County since the age of 13, Diana is committed to advancing sound fiscal stewardship and delivering superior service to its residents.

Cheryl Adams

Deputy Executive Officer

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Director of all Human Services support divisions

Including the Administrative Support Division (ASD), Auditing Division, Information, Technology, and Support Division (ITSD), Personnel Division, Program Development Division (PDD), and Program Integrity Division (PID). In addition, DEO Cheryl Adams is also responsible for overseeing the financial budgets of each Human Services Department throughout the San Bernardino County.

Valerie Clay

Deputy Executive Officer

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Valerie is the Deputy Executive Officer responsible for Countywide Fee and Rate Administration. Additionally, Valerie helps oversee the financial operations of the Sheriff’s Department, Probation Department, Public Defender, District Attorney, Arrowhead Regional Medical Center, San Bernardino County Fire Protection District, Agriculture/Weights and Measures, Airports, County Library, County Museum, County Trial Courts, Regional Parks, Registrar of Voters, Fleet Management, Information and Technology Department, Risk Management, and Public Works including Special Districts.

Leia Fletes

Deputy Executive Officer- Director of Government Relations

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Leia Fletes is a seasoned professional in government relations, currently serving as the Director of Government Relations for San Bernardino County. With 17 years of experience, Leia specializes in strategic outreach, thoughtful diplomacy, and relationship building within intergovernmental and legislative environments. Throughout her career, Leia has demonstrated strong leadership and managerial skills, leading outreach efforts, coordinating policy forums, engaging stakeholders, and navigating complex political landscapes. She holds a Bachelor of Science degree in Organizational Leadership from Azusa Pacific University and an Associate of Arts degree from Rio Hondo College. Leia remains committed to ongoing professional development by actively participating in courses offered by various higher education and professional institutes, fostering continuous learning.

Paloma Hernandez-Barker

Deputy Executive Officer

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Paloma is the Deputy Executive Officer primarily responsible for the administration and oversight of the countywide budget process. Additionally, Paloma helps oversee the financial operations of the Assessor/Recorder/County Clerk (ASR), Auditor-Controller/Treasurer/Tax Collector (ATC), County Administrative Office (CAO), CAO Finance and Administration, County Communications, Economic Development, Human Resources, Project and Facilities Management, Purchasing, Real Estate Services, and Workforce Development.

Michael Jimenez

Deputy Executive Officer

Picture of Mike Jimenez

Michael Jimenez currently serves as Deputy Executive Officer at the County Administrative Office of San Bernardino County. As DEO, Michael provides oversight and support to the departments of Airports, Economic Development, Fleet Management, Land Use Services, Real Estate Services and Workforce Development.

Stephenie Shea

Deputy Executive Officer

Stephanie Shea

Stephenie Shea is the Deputy Executive Officer responsible for Board Administration, Board Agenda Item review, and Special Projects.  Her role is to support the Chief Financial Officer and also assist with countywide initiatives.

Robert Saldana

Deputy Executive Officer

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Robert is the Deputy Executive Officer responsible for the financial operations of Human Services Finance.  Additionally, Robert oversees the County’s debt portfolio as well as the financial operations of the Human Services Group, Community Development and Housing, ICEMA, Office of Emergency Services and the Office of Homeless Services. 

Victor Tordesillas

Deputy Executive Officer

Victor Tordesillas

Victor Tordesillas is a Deputy Executive Officer with the County Administrative Office.   As DEO, Victor works closely with the County executive leadership team and Department Heads to support the daily department administration and operations for Behavioral Health, Public Health and the Performance, Education, and Resource Centers.

Moe Yousif

Deputy Executive Officer

Moe Yousif

Moe Yousif is a Deputy Executive Officer with the County Administrative Office.  Moe works closely with County Assistant Executive Officers, as well as County Executive Leadership and Department Heads to support the daily operations and projects of the Public Works, Projects and Facilities Management, Regional Parks, Airports, Agriculture/Weight & Measures and ICEMA Departments.