Early in his career, Gilmore worked at the Lawrence Livermore National Laboratory, performing research in their magnetic fusion energy program. He has also worked as an analyst with Falcon Associates and the McDonnell Douglas Washington Studies and Analysis Group, where he became Manager, Electronic Systems Company Analysis. Gilmore was Deputy Director of General Purpose Programs within the Office of the Secretary of Defense, Program Analysis and Evaluation. As the Deputy Director, he was responsible for developing, formulating, and implementing Secretary of Defense policies on all aspects of Department of Defense general purpose programs, including analyzing the operational effectiveness and costs of U.S. conventional military forces and supporting programs. Before serving as a Deputy Director, Gilmore served as the Division Director of Operations Analysis and Procurement Planning, within the Office of the Deputy Director, Resource Analysis and prior to that as an Analyst for Strategic Defensive and Space Programs Division, Office of the Deputy Director, Strategic and Space Programs. Gilmore's service with Program Analysis and Evaluation covered 11 years. Prior to his current appointment Gilmore was the Assistant Director for National Security at the Congressional Budget Office. In this position, he was responsible for CBO's National Security Division, which performs analyses of major policy and program issues in national defense, international affairs, and veterans’ affairs. Specific areas of investigation included the long-term implications of current defense policies and programs, the implications of transformation for equipping and operating U.S. military forces, the effectiveness and costs of alternative approaches to modernizing U.S. military forces, and the resource demands associated with operating and supporting U.S. military forces. Gilmore was sworn in as Director of Operational Test and Evaluation on September 23, 2009. A Presidential appointee confirmed by the United States Senate, he served as the senior advisor to the Secretary of Defense on operational and live fire test and evaluation of Department of Defense weapon systems. On January 19, 2017, Gilmore left the position of Director, Operational Test and Evaluation. A native of Ohio, Gilmore resides in Virginia. He is a graduate of the Massachusetts Institute of Technology and the University of Wisconsin-Madison.
