Photo of Sinclair Harris

Sinclair Harris, RADM, USN (Ret.)

Principal, Business Development

Sinc Harris is LMI’s client relations executive for the defense sector. He retired as a rear admiral after a 34-year career in the U.S. Navy. His service culminated as the vice director for operations to chair of the Joint Chiefs of Staff. During his distinguished career, he led joint, combined, multinational, and interagency organizations both at sea and ashore across all aspects of defense, including full-spectrum operations, program management, strategic planning, and execution. He also commanded the U.S. Fourth Fleet, leading U.S. naval forces assigned to the U.S. Southern Command. 
Sinc has been published in numerous journals on the topics of surface warfare, combat logistics, irregular warfare, and leadership. He earned a bachelor’s in economics from James Madison University, a master’s in operations research from the Naval Postgraduate School, and a master’s in defense and strategic studies from the University of Madras, India. Sinc voluntarily serves as national vice president of the Navy League of the United States, chair of the National Defense Industrial Association’s Expeditionary Warfare Division, president of the National Naval Officers Association, board member for the Surface Navy Association, and member of the Northern Virginia Armed Forces Communications and Electronics Association. 

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