Reginald E. Allen

Update: 8/28/2019

All EPCN profiles, including Colonel (Retired) Reginald E. Allen’s, have been moved to: https://esp.gmu.edu/students/environmental-professional-career-network/meet-the-professionals/


Colonel (Retired) Reginald E. Allen
Assistant Deputy Chief of Staff, US Environmental Protection Agency
EPCN Director

Colonel (Retired) Reginald E. Allen is a member of the United States Government Senior Executive Service (SES) and is the Assistant Deputy Chief of Staff for the US Environmental Protection Agency HQ in Wash, DC. He is currently on a one year detail as an Executive-in-Residence, Affiliate Professor at George Mason University.

Prior to his SES selection in 2015 he served 30 years as an active duty combat arms officer in the United States Army. His last assignments include Chief of Staff/XO to the Under Secretary/Chief Management Officer of the Army in the Pentagon and later as Special Assistant to the Director, Joint Improvised Explosive Device (IED) Defeat Organization.

COL (R) Allen was born in New York City and was commissioned a second lieutenant of Armor and Cavalry in 1985.  He served in numerous command, staff and leadership assignments around the world.  In June 2003, COL (R) Allen assumed command of 1st Squadron, 10th United States Cavalry “Buffalo Soldiers” on the Iran-Iraq Border. The Buffalo Soldiers (4th ID (M) Division Cavalry Squadron) conducted a year of combat operations in Iraq. Task Force Saber consisted of three BN size units and over 2100 soldiers at the height of operations, the largest BN level combat formation in Iraq.  COL (R) Allen led the armor combat force in the operation that captured Saddam Hussein, secured the Iran-Iraq border, eastern Tikrit, and later Balad Joint Air Base then the largest concentration of US Soldiers in Iraq.  COL (R) Allen changed command in the summer 2005 and was assigned to Army Staff in the Pentagon where he served as a future operations planner and later as Military Assistant to the Secretary of the Army.

In 2008 COL (R) Allen was selected to be the Operation Officer for III Corps/Fort Hood. “America’s Armored Corps”.  In 2009, he assumed command of the 3d Armored Cavalry Regiment “Brave Rifles”. He deployed the Regiment in 2010 on its 4th combat deployment for Operation New Dawn in Iraq. The Regiment conducted a year of combat and training operations helping to set the conditions for an honorable US forces exit from Iraq. COL (R) Allen relinquished command in Nov 2011. In 2012, he became the Executive Officer to the Under Secretary of the Army for two years.

COL (R) Allen holds an MS in National Security Strategy from the National War College, National Defense University, a MA in Education from the University of Louisville and a BS in Business from NC A&T SU. COL (R) Allen is a graduate of the United Kingdom Higher Command Course.

COL (R) Allen’s highest military awards include: The Legion of Merit (x4), the Bronze Star (x3); Defense Meritorious Service Medal (2); and the Meritorious Service Medal (x7).

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