Mark Lee Greenblatt

Mark Lee Greenblatt began his tenure as the Inspector General for the U.S. Department of the Interior on August 26, 2019, after being confirmed by the U.S. Senate. As the Inspector General, Mr. Greenblatt leads a nationwide workforce of more than 270 investigators, auditors, evaluators, attorneys, and support staff. Their mission is to provide independent oversight and promote excellence, integrity, and accountability within the programs, operations, and management of the U.S. Department of the Interior. Mr. Greenblatt is the senior official responsible for providing oversight of more than 70,000 Department employees and assessing the Department’s diverse programs, which include roughly $10 billion in grants and contracts and $12 billion in natural resource royalties.

Mr. Greenblatt has more than 15 years of Federal oversight experience in the legislative and executive branches. He most recently served as the executive director of the Council of the Inspectors General on Integrity and Efficiency (CIGIE), where he led the Council’s staff in supporting the Inspector General community’s mission to combat fraud, waste, and mismanagement. He previously served in leadership roles at the U.S. Department of Commerce Office of Inspector General (OIG) and the U.S. Senate Permanent Subcommittee on Investigations. Mr. Greenblatt also served as an investigative counsel at the U.S. Department of Justice OIG. Over the course of his Federal career, he has received several awards, including a CIGIE award for excellence, U.S. Department of Commerce gold medal and bronze medals, and a U.S. Department of Justice OIG distinguished service award.

Mr. Greenblatt clerked for U.S. District Judge Anita Brody and was a litigator in two large, international law firms. He also served as vice chair and commissioner of the Montgomery County, MD Ethics Commission, was an adjunct professor at the American University School of Law, and is a published author.

Mr. Greenblatt graduated from Columbia University School of Law, where he was a Harlan Fiske Stone scholar, and earned his undergraduate degree from Duke University. He also completed the Senior Managers in Government Fellowship at Harvard University’s Kennedy School of Government.