Staff Directory

Janet Sutter, CIA
Executive Director, Internal Audit
714 560-5591

Janet joined OCTA in July 2008 as a senior section manager and was appointed to the Executive Director of Internal Audit position in June 2011. She manages the department's five staff and is responsible for developing an annual risk assessment and audit plan, providing audit reports to the Board of Directors, interfacing with regulatory and financial auditors, and managing a variety of audit department initiatives. Janet has over twenty years experience in internal audit including two years as the Audit Director for Wescom Credit Union, seven years as a deputy city auditor for the City of Long Beach, and two years as an audit manager with Ernst & Young. She received her Bachelor of Science in Finance from California State University, Northridge and is a Certified Internal Auditor.


Gabriel Tang, CPA
Principal Auditor, Internal Audit
714 560-5746

Gabriel joined OCTA’s Internal Audit Department as a Principal Internal Auditor in December 2011. He is responsible for managing and coordinating OCTA's annual financial and compliance audits. He also performs contract audits, operational audits, and internal control reviews. Prior to joining OCTA, Gabriel worked as a governmental financial audit manager at the public accounting firm of Caporicci & Larson specializing in financial audit, single audit, redevelopment agency audit, and transportation related audit. He has over 10 years of accounting and auditing experience and is a licensed Certified Public Accountant in the State of California. Gabriel received his Bachelor of Arts degree in Business Economics with a concentration in Accounting and a specialization in Computing from the University of California, Los Angeles.


Serena Ng, CPA, CIA
Senior Auditor
714 560-5938

Serena joined OCTA’s Internal Audit Department in October 2003.  She performs contract audits, operational audits and internal control reviews.  She also performs pre-award analysis of contractors’ price proposals and is the Department’s specialist in Federal Acquisition Regulations.  Over the years, Serena has developed the Department’s procedures for conducting these reviews and has trained OCTA procurement staff on appropriate methodologies for evaluating elements of contractor price proposals.  Serena obtained her Certified Internal Auditor (CIA) certification three years ago.  Prior to joining OCTA, Serena worked as a financial statement auditor at the public accounting firm of Deloitte & Touche and is a licensed Certified Public Accountant in the state of California.  She received her Bachelor of Arts degree in Business Administration with a concentration in Accounting from California State University, Fullerton.


Gerry Dunning, CIA, CISA, CFE
Senior Auditor
714 560-5875

Gerry joined OCTA in October 2000.  He conducts internal audits of contracts with third party providers and OCTA operations in addition to managing contract audits performed by external audit and consulting firms.  Prior to joining OCTA, Gerry was an internal auditor for fifteen years with the California Institute of Technology in Pasadena where he performed internal audits and fraud investigations primarily in administrative operations at both the University and the Jet Propulsion Laboratory.  Gerry has more than 34 years of internal audit and management experience in various industries including, university, financial services, non-profit cooperative, aerospace, oil, property management and production management.  He received his Bachelor of Science in Business Administration from Cal Poly University, Pomona and is a Certified Internal Auditor, Certified Information Systems Auditor and a Certified Fraud Examiner.


Ricco Bonelli, CIA
Senior Auditor
714 560-5384

Ricco joined OCTA in November 2006 as a Senior Internal Auditor.  He is responsible for conducting a variety of audit engagements at OCTA including operational reviews, contract compliance audits, and pre-award audits.  He has developed particular expertise in Buy America program requirements.  Prior to joining OCTA, Ricco served three years with the public accounting firm of Macias, Gini, O'Connell, LLP where he worked primarily on local government, Securities and Exchange Commission, and non-profit audit and attestation engagements.  He received both his Bachelor of Science in Accounting and his Masters of Accountancy from the University of West Florida.


Administrative Assistant, Internal Audit
714 560-5468