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Marines

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SES Todd Calhoun
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Executive Deputy
SES Todd Calhoun

Dr. Todd Calhoun was appointed the first Executive Deputy of Marine Corps Combat Development Command, Combat Development & Integration in November 2023.  He previously served as Executive Director of Marine Corps Systems Command, where he was the senior acquisition civilian professional for the Marine Corps. From 2016-2023, Dr. Calhoun served Executive Director of Marine Corps Installations Command, 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. From 2012-2016, he 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. Dr. Calhoun was appointed to the Senior Executive Service in March 2012.

Prior to his service with Headquarters Marine Corps, 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, he 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 where 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.

Dr. Calhoun began his Marine Corps career as an infantry officer with 2d Battalion, 3d Marine Regiment in Kaneohe Bay, Hawaii.

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