Inspector General of the House

The Office of Inspector General (OIG) was established in 1992 under House Rule 2. The OIG’s mission is to provide recommendations for improving the performance, accountability, and integrity of House financial, administrative, and technology-based operations by performing independent audit, advisory, and investigative services in a nonpartisan manner. In collaboration with the Committee on House Administration, the OIG continues to do its part to contribute to a more effective and efficient House support structure by identifying and helping mitigate significant risks to the House; highlighting opportunities for improving the efficiency of House operations; and serving as a constructive critic, helpful advisor, and positive change agent.

New Dome Symbolizes Union, 1863
New Dome Symbolizes Union, 1863
Allyn Cox, Oil on Canvas, 1973-1974

Theresa M. Grafenstine, Inspector General U.S. House of Representatives

Theresa M. Grafenstine

In 2010, the Honorable Theresa M. Grafenstine was named the Inspector General of the U.S. House of Representatives (House), having been unanimously appointed by the House Speaker, Majority Leader, and Minority Leader.  Ms. Grafenstine brings a variety of public service and non-profit experience to the House. Over the past twenty years, she has served within the inspector general community for both the legislative and executive branches of the Federal Government.  As the House Inspector General, she is responsible for planning and leading independent, non-partisan audits, advisories, and investigations of the financial and administrative functions of the House.

Ms. Grafenstine is also an active volunteer in support of the information technology, governance, internal auditing, and accounting professions. She currently serves as the International Vice President for ISACA (formerly known as Information Systems Audit and Control Association); as a member of the American Institute of Certified Public Accountants (AICPA) Assurance Services Committee and as an At-Large Member of the AICPA Governing Council; as a Director on the Standards and Accreditation Council and the Global Industry Council for International Professional Practice Partnership (IP3), a United Nations-rooted body; as an Advisory Committee Member of the Institute of Internal Auditors’ (IIA) American Center for Government Auditing; and provides financial oversight support as an audit committee member for the U.S. Department of Defense IG and to the Pentagon Federal Credit Union, which has over $17 billion in assets and 1.2 million members.

Ms. Grafenstine is a licensed Certified Public Accountant (CPA), a Certified Internal Auditor (CIA), Certified Government Auditing Professional (CGAP), Certified Information Systems Auditor (CISA), Certified in the Governance of Enterprise Information Technology (CGEIT), Certified in Risk and Information Systems Control (CRISC), and a Chartered Global Management Accountant (CGMA).  Ms. Grafenstine received a bachelor’s degree in Accounting from Saint Joseph’s University in Philadelphia, Pennsylvania.

Contact the OIG

386 Ford Building
Washington, DC 20515-9990
Phone: (202) 226-1250
Fax: (202) 225-4240


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