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Executive Director, Marine Corps Installation Command
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Executive Director, Marine Corps Systems Command
Dr. Todd Calhoun

Dr. Todd Calhoun assumed the duties as Executive Director of Marine Corps Systems Command in January 2023. He most recently served as Executive Director of Marine Corps Installations Command from 2016-2023, where he oversaw four regional installation commands consisting of 25 military bases, and was responsible for the acquisition and lifecycle management of all Marine Corps facilities, infrastructure, and base support services worldwide.  

Dr. Calhoun previously served as the Director of  Program Analysis and Evaluation, Programs and Resources Department, Headquarters Marine Corps, where he was responsible for providing the Commandant, Assistant Commandant, and Deputy Commandant for Programs and Resources with independent assessments of Marine Corps programs. 

Prior to his service with HQMC, Dr. Calhoun served as a Senior Operations Research Analyst with the Office of the Secretary of Defense, Cost Assessment & Program Evaluation directorate, from 2008-2012. While with CAPE, Dr. Calhoun led the Special Operations/Counterterrorism portfolio through four Program Budget Reviews and the 2010 Quadrennial Defense Review. He also oversaw the Civil Affairs and Psychological Operations portfolios while assigned to the Irregular Warfare Division. In his final assignment with CAPE, Dr. Calhoun led the Airborne Intelligence, Surveillance, and Reconnaissance portfolio through the Fiscal Year 13-17 Program Budget Review. 

Prior to joining OSD, Dr. Calhoun was the Chief Analyst of Marine Corps Systems Command from 2004-2008. In this capacity, he was responsible for the development and delivery of a wide range of analyses used in the defense acquisition system. He also led the command-wide Operations Research/Systems Analysis Community of Practice and the Economic & Business Analysis Branch with a mission to provide independent analysis to enable sound investment decision-making. Dr. Calhoun was initially assigned to Marine Corps Systems Command as a Defense Systems Analyst in 1999 while on active duty. He later transitioned to the civil service and was re-assigned as an Operations Research Analyst responsible for the development of ground weapons programs. 

Dr. Calhoun began his Marine Corps career as an infantry officer with 2d Battalion, 3d Marine Regiment in Kaneohe Bay, Hawaii. He is a graduate of Miami University (Ohio), the Naval Postgraduate School, and George Mason University. 

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