Lynne M. Halbrooks
Principal Deputy Inspector General
Department of Defense
Ms. Lynne Halbrooks is the Principal Deputy Inspector General for the Department of Defense and serves as the head of the DoD IG under the Federal Vacancies Reform Act. She served as the Acting Inspector General from December 25, 2011 to June 21, 2012. She was appointed to the Senior Executive Service and came to DoD IG on March 1, 2009 upon being selected to serve as General Counsel. Previously, Ms. Halbrooks was the General Counsel for the Special Inspector General for Iraq Reconstruction.
Prior to joining the IG community in October 2007, Ms. Halbrooks served with the Sergeant at Arms in the U.S. Senate – first as General Counsel and later as the Deputy Sergeant at Arms, where she oversaw an agency of more than 950 employees.
Ms. Halbrooks joined the Department of Justice in 1991 as an Assistant U.S. Attorney in the Eastern District of Wisconsin, prosecuting criminal cases and representing the U.S. in civil litigation. Subsequently, she worked for 10 years in the Executive Office for United States Attorneys serving in a variety of legal and management positions, including Deputy Director from 2000-2003. In that role, she represented the interests of the 94 U.S. Attorneys’ offices within the Department of Justice to other federal agencies and Congress.