John’s storied career included assignments with the 23rd Infantry, the Physical Security Support Element-Berlin, the 5th SFG(A), and the 19th SFG(A). Additionally, during his time in Special Forces, John was instrumental in the establishment and instruction of the SOTC and SFARTAETC programs at the USAJFKSWC. After leaving the 5th SFG(A), John accepted a position as a civilian instructor for the Special Operations Forces of the United Arab Emirates Special Operations Command.

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During his career, Master Sergeant Sieh was awarded thirty-four commendations for the initiative, achievement, and valor including a Bronze Star Medal for actions during Operation Desert Storm (Iraq), Meritorious Service Medal for Operation Summer Return (Somalia), and the Bronze Star Medal and Joint Service Commendation Medal for Valor during Operation Enduring Freedom (Afghanistan).

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John’s experience included 21 years in the U.S. Army (19 of which were in the Army Special Forces-) and 20 years as the Owner, Director, and Master Trainer of a world-renowned training and advisory company (The TATSOR Group) specializing in providing cutting edge training to the military, law enforcement and corrections professional.