The Office of Inspector General (OIG) conducts and supervises audits and investigations of critical USAID programs.

The Office of the Inspector General (OIG) reviews the integrity of operations for USAID, the Millennium Challenge Corporation (MCC), the African Development Foundation (ADF), and the Inter-American Foundation (IAF) through audits, investigations, and inspections. OIG conducts and supervises audits and investigations of these organizations' programs and operations, and recommends policies designed to promote economy, efficiency, and effectiveness and to prevent and detect fraud and abuse.

The Office is semiautonomous, with its own budget and personnel authorities. OIG provides a means for keeping the head of the respective organization and Congress fully and currently informed about problems and deficiencies relating to the administration of the organization's activities and the necessity for and progress of corrective action. The Office also includes the legal staff that provides independent legal counsel and services to the Inspector General, Deputy Inspector General, and all Offices within the OIG.

The Office has four Assistant Inspectors General, for Audit, the Millennium Challenge Corporation, Investigations, and Management.

The OIG leads USAID efforts by:

• Promoting economy, efficiency, and effectiveness
• Preventing and detecting fraud and abuse
• Keeping Congress fully informed about the challenges facing USAID’s programs and operations

Members of the OIG team bring a diverse range of professional experiences and backgrounds to supporting the USAID mission.