Commander’s Biography

Colonel Denis G. Descarreaux,
Commander, U.S. Army Medical Research Institute of Chemical Defense

Colonel Roman Bilynsky

Colonel Denis G. Descarreaux most recently held the position of Director of Healthcare Delivery (HCD) for Army Medicine Operations at the Office of the Surgeon General located at the Defense Health Headquarters, Falls Church, VA.  He was nominated as the 15th Optometry Consultant to the Army Surgeon General. He completed an assignment with the Army Staff as the Medical Legislative Liaison for the Office of the Chief, Legislative Liaison beginning in 2012.  His previous positions include Chief, Department of Surgery, Irwin Army Community Hospital, Fort Riley, KS, from 2008 to 2012; BN Surgeon and Executive Officer, 226th MEDLOG BN, Miesau, GE, from 2006 to 2008; Chief of Optometry, Evans Army Community Hospital, Fort Carson, CO, from 1999 to 2003; Chief of Division Optometry, 2nd ID, Camp Casey, ROK, from 1998 to 1999; and Staff Optometrist, Brooke Army Medical Center, Fort Sam Houston, TX, from1996 to 1998.

Colonel Descarreaux earned his Bachelor of Science degree (summa cum laude) in Electrical Engineering from Fitchburg State College in 1992. He received his Doctor of Optometry degree from the New England College of Optometry in 1996. He has also earned an MBA in Health Care Administration from New York’s Baruch College and the Mount Sinai School of Medicine and concurrently completed a 2-year Fellowship in Clinical Administration with the SUNY College of Optometry in 2002. He is a resident graduate of Army's Command and General Staff College at Fort Belvoir, VA, and completed Senior Service College at the National Defense University Eisenhower School with a Bachelor of Science in National Strategy Resourcing in 2018. Colonel Descarreaux deployed to Iraq in 2006 with the 226th MEDLOG BN and served as the Medical Support Operations Officer after the Battalion transitioned to a provisional Multi Functional Medical Battalion. He also served as the OIF/OEF Theater Optometry Consultant for the 30th Medical Brigade and Multi-National Forces Iraq.

Colonel Descarreaux’s awards and decorations include the Legion of Merit, Bronze Star Medal, Meritorious Service Medal (5 OLC), Army Commendation Medal (1 OLC), Army Achievement Medal, Afghanistan Campaign Medal, and various unit awards.  He is also authorized to wear the Department of the Army Staff Badge and is the recipient of the Order of Military Medical Merit Medallion.


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