Gabriela Cabrera
Gabriela Cabrera began her public service with the County as an Accounting Intern for John Wayne Airport in 2013, shortly after earning her Bachelor’s in Business Administration with a concentration…
Mary Ann Cosep
Mary Ann began her career in the tax practice at PricewaterhouseCoopers. Subsequently, she worked as an auditor at the HHS Office of Inspector General, where she performed a wide variety of…
Stephany Franco
Stephany Franco has over nine years of experience in auditing and accounting with expertise in internal audit, fiscal monitoring, and governmental accounting. Stephany’s primary focus is conducting…
Tina Dinh
Tina started her career in the private sector before joining the County of Orange in 2017. After taking on various accounting roles within the County, Tina joined Internal Audit Department in 2023.…
Stefan Bean PhD
Dr. Stefan Bean has dedicated the past 25 years to serving Southern California communities and students as a teacher, principal and school administrator. In June 2024, the Orange County Board of…
Michelle Aguirre
Michelle Aguirre currently serves as the County of Orange’s Interim County Executive Officer, a role she has held since September 2024. In this role, she is responsible for executive management of…
Jose A Olivo
Jose Olivo serves as the Deputy Director of Internal Audit for Orange County. Jose is responsible for leading audit professionals in providing independent and objective assurance and consulting…
Steven Vargas
OC Veterans Advisory Council Member
Andrew Hamilton
Andrew N. Hamilton, CPA is the 12th Orange County Auditor-Controller. Mr. Hamilton was independently elected in June 2022. Previously, Mr. Hamilton served as the Finance Director for the City of…