Leon Carroll Jr.
Leon Carroll Jr. is the technical advisor on the hit drama NCIS. A native of Chicago, Illinois, he attended Lindblom Technical High School and went on to earn a BS degree in business economics from North Dakota State University. He was a member of two College Division national championship teams in the late 60s.
Leon was a commissioned officer in the United States Marine Corps, serving on active duty for 6 years and 3 years in the Marine Corps Reserves, attaining the rank of Major. His duty assignments included serving in the Fleet Marine Forces and Sea Duty onboard the USS Ogden (LPD-5).
Following his stint in the Marine Corps, Leon began a 20-year career as a Special Agent with the Naval Criminal Investigative Service (NCIS). He served in 7 different locations, including tours as a Special Agent Afloat on the USS Ranger (CV-61) and as the Special Agent in Charge of NCIS offices in the Republic of Panama and the Pacific Northwest. Upon retirement from NCIS, Leon was selected to be the technical advisor for the top-rated drama of the same name, holding that position for 20 seasons. His experience in Foreign Counterintelligence gives him unique insight into the world in which Doug Wada operated.
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