Gregory H. Friedman was nominated by the President and confirmed by the U.S. Senate as Inspector General of the U.S. Department of Energy in 1998. Mr. Friedman started his Federal career in 1968 and has been with the Department of Energy, Office of Inspector General, since 1982. As Inspector General, he is responsible for a nationwide, independent program of audits, inspections, and law enforcement efforts related to the Department of Energy’s programs and operations.
Virginia Grebasch was appointed Counsel to the Inspector General in August, 2012. She provides comprehensive legal advice to the Inspector General and senior leadership, and serves as the primary liaison to Congressional staff.
John R. Hartman became the Deputy Inspector General for Investigation in December 2010. Prior to this he was the Assistant Inspector General for Investigations. Mr. Hartman is responsible for all investigations of the Department’s programs and operations, which includes over 70 facilities and 100,000+ Federal and contractor employees. He directs a Federal workforce of Special Agents located across the country.
John Dupuy was appointed as the Assistant Inspector General for Investigations in June 2015. Mr. Dupuy is responsible for investigations of the Department’s programs and operations. Mr. Dupuy has been part of the Office of Inspector General (OIG) community since 1991, and has served in a variety of leadership positions throughout his career in both, the field and Headquarters. Mr. Dupuy comes to us from the Department of Homeland Security (DHS) OIG, with prior experience at the Department of the Interior and Department of Housing and Urban Development’s OIG.
Deputy Inspector General for Audits and Inspections
Rickey R. Hass was appointed as the Deputy Inspector General for Audits and Inspections in December 2010. Prior to this, he was the Deputy Inspector General for Audit Services. In his current position, he directs a Federal workforce of professional auditors and inspectors serving at 13 major Department of Energy sites across the country. Mr. Hass is responsible for all audits, inspections and related reviews of the Department’s programs and activities.
Assistant Inspector General for Audits and Administration
Daniel M. Weeber was appointed Assistant Inspector General for Audits and Administration in July 2012. He directs the planning, execution and reporting of all audits for the Eastern Audits Division, which include the annual financial statement audit, information technology audits, special reviews, and performance reviews of the Department’s major programs. Mr.
April G. Stephenson was appointed Assistant Inspector General for Inspections in June 2015. She directs the planning, execution, and reporting on all inspections of the Department's programs and operations. Ms. Stephenson was previously the Assistant Inspector General for Audits. Prior to her positions in the Office of Inspector General, Ms. Stephenson was the Chief Operating Officer of the Department of Energy's Loan Programs Office. Ms.
Assistant Inspector General for Management and Administration
Tara A. Porter was appointed the Assistant Inspector General for Management and Administration in March 2014. She originally joined the Office of Inspector General in August 2010 as manager within the Office of Investigations.