Staff Directory

Meet our Team


Aggie Alonso

Aggie Alonso
CPA, CIA, CRMA
Director of Internal Audit
Aggie.Alonso@ocgov.com
(714) 834-5442

Aggie Alonso is an experienced executive with over 21 years of auditing experience. Aggie began his career in 1998 with the Los Angeles County Auditor-Controller’s Audit Division where he worked his way up from an Accountant-Auditor to the Division Chief of the Countywide Contract Monitoring. Aggie was responsible for managing approximately 40 professional auditors that primarily conducted fiscal, contract compliance, and other special reviews of County social service and health service contractors, and developed and oversaw the award winning Contractor Alert Reporting Database. Aggie currently serves as the Internal Audit Director and Chief Audit Executive for Orange County, the sixth largest County by population in the United States, with a budget totaling over $6 billion and employees totaling over 18,000. Aggie is responsible for managing Orange County’s internal audit function, whose primary objectives include developing and implementing risk-based audit plans focused on internal controls and information technology, and advising County management on appropriate internal controls, operational efficiency and effectiveness, and areas for process improvement. Aggie is a Certified Public Accountant, a Certified Internal Auditor, and holds a Certification of Risk Management Assurance from the Institute of Internal Auditors and a Bachelor of Arts degree in Accounting from California State University, Fullerton.

Scott Suzuki

Scott Suzuki
CPA, CIA, CISA, CFE
Assistant Director of Internal Audit
Scott.Suzuki@ocgov.com
(714) 834-5509

Scott Suzuki has served the County of Orange since 2002 in various audit and accounting positions with the Internal Audit Department, John Wayne Airport, and the Auditor-Controller. He is a licensed Certified Public Accountant and possesses the Certified Internal Auditor, Certified Information Systems Auditor, and Certified Fraud Examiner professional certifications.

Michael Dean

Michael Dean
CPA, CIA, CISA, CCSA
Senior Audit Manager
Michael.Dean@ocgov.com
(714) 834-4101

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.

Jimmy Nguyen

Jimmy Nguyen
CISA, CFE, CEH
IT Audit Manager II
Jimmy.Nguyen@ocgov.com
(714) 834-2526

Jimmy Nguyen is an experienced Information Technology audit manager with over 12 years of IT/security auditing experience covering diverse industries. Jimmy has served the County of Orange since 2016 and is responsible for managing the IT audit team of the Internal Audit Department. The IT Audit team’s primary objectives are managing risk-based audits, focused on internal controls over information technology. 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. On his free time, Jimmy enjoys sleeping, hanging out with the family, staying abreast with the latest technologies, the great outdoors and basketball.

Scott Kim
CPA, CISA, CFE
IT Audit Manager I
Scott.Kim@ocgov.com
(714) 796-8066

Scott Kim is an experienced audit professional with over 10 years of auditing experience. Scott began his audit career in 2010 as a tax auditor for the California Franchise Tax Board. As a part of the Personal Income Tax Division, Scott managed and performed multiple tax return audits of individuals and pass-through entities. Scott then took a promotion to join the County of Riverside Department of Public Social Services as a Sr. Internal Auditor conducting audits of contractors meeting their contractual obligations and ensuring accuracy of payments. Scott joined the County of Orange Auditor-Controller Internal Audit Division as a Senior Auditor and is now an IT Audit Manager for the recently re-established Internal Audit Department. Scott’s primary job responsibilities include assisting with the development of the Countywide IT risk assessment and IT audit plan, reviewing Countywide agency IT controls and procedures, advising on agency system implementation and development, providing guidance on development of department IT policies, and identifying areas for process improvements. Scott is a Certified Public Accountant, a Certified Information Systems Auditor, a Certified Fraud Examiner, and holds a Bachelor of Arts Degree in Business Administration with an emphasis in Accounting from California State University, Fullerton.

Gianne Morgan
CIA
Audit Manager
Gianne.Morgan@ocgov.com
(714) 834-3436

Gianne Morgan joined the County of Orange in 2013 as an Accountant/Auditor for the Auditor-Controller’s office. She spent three years primarily performing federal grant and state program claims, as well as cash handling audits for various clinic sites for the Health Care Agency. Gianne joined the Auditor-Controller’s Internal Audit Division (now the Internal Audit Department) in 2016 where she was responsible for performing Internal Control Audits (ICA) for the several business processes within the County’s departments. She is now an Audit Manager for the ICA team and is responsible for performing more complex ICAs and co-managing four Senior Auditors. Gianne is a Certified Internal Auditor and holds a Bachelor’s degree in Business Administration with an Accounting concentration from California State University, Fullerton.

Zan Zaman
CPA, CIA, CISA
Audit Manager
Zan.Zaman@ocgov.com
(714) 834-2316

Zan began his career in 2014 with the Orange County Auditor-Controller’s office, where he worked his way up from an Accounting Assistant II to an Audit Manager. Early on in his career, Zan spent two years performing fiscal monitoring, which consisted of reviews of third-party grant subrecipients as required by federal regulations. He is now an Audit Manager for the Internal Audit Department’s Internal Control Audits (ICA) team and is responsible for performing more complex ICAs and co-managing four Senior Auditors. Zan 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, Fullerton.

Gabriela Cabrera
Senior Auditor
Gabriela.Cabrera@ocgov.com
(714) 834-3235

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 in Accounting from California State University, Fullerton. Subsequently, she worked as an Office Technician for Social Services Agency, an Accounting Technician for the Clerk-Recorder, and as an Accountant/Auditor and Senior Accountant/Auditor for the Auditor-Controller’s office. These roles taught Gabriela how unique department processes achieve common goals, as well as the importance of collaborating with different business areas to maximize the impact of our public service. Since 2019, Gabriela has applied these insights to the Internal Control Audits she performs as a Senior Auditor with the Internal Audit Department.

Alejandra Hernandez
Senior Auditor
Alejandra.Hernandez@ocgov.com
(714) 834-5430

Alejandra Hernandez joined the Internal Audit Department in 2019. As a Senior Auditor, her primary focus is conducting internal control audits.

Virginia Nguyen, CPA
Senior Auditor
Virginia.Nguyen@ocgov.com
(714) 834-5082

Virginia Nguyen joined the County of Orange in 2013 as an Accountant for the Auditor-Controller’s office. She spent her first three years performing fiscal monitoring audits of subrecipients for the Orange County Community Resources’ Claims and Fiscal Monitoring unit (later reorganized under the Auditor-Controller’s Internal Audit Division). In 2016, she was promoted to Senior Accountant for Orange County Public Works’ Development Services unit. In 2018, she returned to the re-established Internal Audit Department as part of the Internal Control Audits (ICA) team. Virginia is a Certified Public Accountant.

Stephany Pantigoso
Senior Auditor
Stephany.Pantigoso@ocgov.com
(714) 834-2258

Stephany Pantigoso is a Senior Auditor responsible for performing Internal Control Audits (ICA) for several business processes within the County’s departments. She joined the County of Orange in 2015 as an Accountant/Auditor I for the Auditor Controller’s office, where she worked on claims for federal, state, and other government entities for OC Community Resources. Stephany then joined the office’s Internal Audit Division (now the Internal Audit Department) in 2017. She worked on fiscal monitoring, where she reviewed third-party grant subrecipients as required by federal regulations. Stephany earned a Bachelor of Arts degree in Economics and Accounting from the University of California, Santa Barbara.