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Derek Santos was designated Acting Associate Deputy Inspector General effective December 1, 2025. In this role, he exercises overall supervision of OIG’s business units, including the Offices of Investigations; Audits, Inspections and…
Khadija Elaine Walker has 23 years of Federal oversight experience—1½ years at the USAID Office of Inspector General (OIG) and 21½ years at the U.S. Environmental Protection Agency (EPA) OIG. As Deputy Assistant Inspector General at USAID OIG, Ms…