U.S. Department of the Interior, Office of Inspector General

The U.S. Department of the Interior Office of Inspector General (DOI OIG) is one of the Inspector General offices created by the Inspector General Act of 1978. The Inspector General for the Department of the Interior is charged with investigating and auditing department programs to combat waste, fraud, and abuse.

History of Inspectors General Inspector GeneralAppointment dateCaryl Brzymialkiewicz (Acting)January 24, 2025Mark GreenblattAugust 26, 2019Gail S. Ennis (Acting)May 28, 2019Mary Kendall (Acting)January 1, 2012Earl DevaneyAugust 5, 1999Robert J. Williams (Acting)March 29, 1999Eljay B. BowronNovember 2, 1998Richard Reback (Acting)July 1, 1998Robert J. Williams (Acting)January 8, 1998Wilma A. LewisApril 10, 1995Joyce Fleischman (Acting)April 1, 1993James R. RichardsJanuary 6, 1986Thomas T. Sheehan (Acting)September 8, 1985Robert W. Beuley (Acting)May 2, 1985Arthur J. Dellinger Sr. (Acting Deputy)October 26, 1984Robert W. Beuley (Acting)October 1, 1981Richard MulberryJuly 14, 1981June BrownMay 10, 1979William Kendig (Acting IG, Deputy IG)October 17, 1978

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