Michael Dean began his career in 1996, shortly after the establishment of the Internal Audit Department. With over 25 years of experience in Internal Audit, Michael is the Senior Audit Manager leading the Internal Control Audits team. Michael has performed audits, reviews, and consultation engagements in most County departments throughout his career. Michael is a Certified Public Accountant, a Certified Internal Auditor, Certified Information Systems Auditor and holds a Bachelor of Arts degree in Accounting from California State University, Long Beach.

The purpose of the AOC is to serve as an advisory committee to the Board of Supervisors on issues related to the County’s internal and performance audit functions. In addition, the AOC performs the audit committee function for the external audit of the County. The AOC assists the Board of...

As an accomplished Information Technology, Senior Audit Manager with over 10 years of experience, Jimmy is responsible for leading the IT audit team.  

Jimmy is a Certified Information Systems Auditor, Certified Fraud Examiner, Certified Ethical Hacker and holds a Bachelor of Arts degree in Information Systems & Decision Science from California State University, Fullerton. 

Date Agenda Minutes 2025 February 6, 2025 PDF Minutes May 15, 2025 IOC PDF AOC PDF August 21, 2025 November 13, 2025 2024 February 7, 2024 - Special Meeting PDF Minutes February 8, 2024 Notice of Cancellation May 16, 2024 PDF Minutes August 22, 2024 PDF Minutes November 7, 2024...

Internal Audit - Audit Reports - FY 2023-24 Audit No. 2306 Internal Control Audit: Child Support Services Cash Receipts Revision Date: 06/28/2024 Audit No. 2311 (2046) Information Technology Audit: CAPS+ Application Security Controls Revision Date: 06/28/2024 Audit No. 2398-A OC Community Resources: Workforce Innovation and Opportunity Act Review of Concerns...

Annually, we perform a countywide risk assessment to identify areas of risk in financial business processes and information technology environments. A survey is distributed to county departments and solicits feedback on high-risk elements such as changes in key management, the regulatory environment, organizational structure, critical applications, and budgetary position. We...

Internal Audit - Audit Reports - FY 2024-25 Audit No. 2306-F1 First & Final Close-Out Follow-Up Internal Control Audit: Child Support Services Cash Receipts Revision Date: 06/30/2025 Audit No. 2213-F1 First & Final Close-Out Follow-Up Internal Control Audit: District Attorney-Public Administrato r Purchasing & Contracts Revision Date: 06/30/2025 Audit No...