RMA professionals possess diverse backgrounds, interests, and talents. Many joined RMA at the entry-level, right after graduation, and worked their way up through the firm. Our professionals have extensive technical experience in one or more specialized areas, but also possess an overall understanding of RMA’s diverse practice.


Reza Mahbod

Mr. Mahbod is the President of RMA. Prior to founding RMA, he worked at the Department of Commerce, Office of Inspector General, and KPMG. While at KPMG, Mr. Mahbod led large federal audits and audit related engagements, including work at the Department of Homeland Security, Department of Labor, Department of Treasury, Department of Justice, Department of Transportation, and Department of Defense. Since he founded RMA, Mr. Mahbod’s audit and audit related work have spread to include all cabinet agencies within the Federal Government. Additionally, Mr. Mahbod was on many of the initial boards, organizations, and committees involved with the implementation of the Chief Financial Officers Act of 1990.

Mr. Mahbod serves as the Chair of AGA’s Corporate Partner Advisory Group’s Small Business Committee (CPAG SBC). He is also the Immediate Past President of the Northern Virginia Chapter of the Association of Government Accountants (NOVAGA), and serves on the Commonwealth of Virginia’s Peer Review Oversight Committee.

Mr. Mahbod is an active member of the American Institute of Certified Public Accountants, Information Systems Audit and Controls Association, Virginia Society of Certified Public Accountants, Association of Government Accountants, and American Society of Military Comptrollers.


Rob Irish
Senior Partner, Chief Operating Officer

Mr. Irish is a Senior Partner and the Chief Operating Officer of RMA. He is responsible for client service management, account strategy development, leadership team selection, pipeline and sales expansion, and staff development. Mr. Irish possesses over 20 years of experience in IT audit, business transformation, financial management and accounting for government agencies and private industry. His experience includes program management, activity-based costing, audit readiness and remediation, internal control, risk management, business process analysis, and financial statement auditing.

Mr. Irish is the incoming President of the Northern Virginia Chapter of the Association of Government Accountants and an active member of the American Society of Military Comptrollers and Information Systems Audit and Controls Association.


George Fallon

Mr. Fallon is an IT Director at RMA. He has over 30 years of experience in IT federal auditing in a Big Ten Accounting firm which he managed an assurance practice. He has performed IT and FISMA audits to major federal agencies using the GAO’s FISCAM, OMB and NIST Guidance.

Mr. Fallon has intensive experience performing SSAE No. 18 and has managed large and small IT audit type engagements. He has audited many of the CFO act agencies, as well as quasi- government entities.


Bob Riordan
Senior Actuary

Mr. Riordan is a Senior Actuary at RMA. He is responsible for actuarial financial reporting for government agencies. Mr. Riordan has 35 years of actuarial experience including 9 years in the Department of Veterans Affairs Office of the Actuary as the Chief Actuary and 26 years with insurance companies in the private sector. His experience includes financial reporting, asset liability management, pension valuations and product development.

Mr. Riordan is a member of the American Academy of Actuaries and an Associate of the Society of Actuaries. He holds a Bachelor of Science in Mathematics from the University of Rhode Island and a Master of Science in Applied Mathematics from Johns Hopkins University. Mr. Riordan is a veteran of the United States Marine Corps where he served from 1971 to 1973.


Mike Fredrickson
Senior Manager

Mr. Fredrickson is a Senior Manager over federal audits and advisory services at RMA. He has over nine years of experience in audit, attestation, performance, advisory, accounting, and training services for government agencies and in the private industry. His experience includes financial statement audits, attestation services, internal control evaluations, program management, audit readiness and remediation, risk management, financial system implementation, peer review services, and training over Government auditing and accounting practices.

Mr. Fredrickson currently leads teams performing services in accordance with the Government Accountability Office – Government Auditing Standards (Yellow Book) and American Institute of Certified Public Accountants (AICPA) Statements on Auditing Standards (SAS), Statement on Standards for Attestation Engagements (SSAE), and Statement on Standards for Accounting and Review Services (SSARS).