Submarine Human Performance
Commander William Spears
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On this week's episode we're diving deep (get it?) on an extremely unique corner of the military human performance world. Submariners operate in an environment unlike any other, and trying to maintain health and fitness under those conditions involves a variety of challenges. Our guest is uniquely qualified to provide insights about life in this world.
Commander William Spears is a submarine warfare officer in the U.S. Navy. A native of Pineville, Louisiana, William enlisted in the U.S. Navy’s nuclear propulsion program after high school. Upon completing technical training, he was admitted to the United States Naval Academy, graduating in 2008 with a degree in Mechanical Engineering and commissioning as an officer. Today, he also holds defense-related master’s degrees from the Naval Postgraduate School, the Air Command and Staff College, and the Eisenhower School for National Security and Resource Strategy.
William has served in nuclear-powered submarines across a variety of classes and mission profiles, including duty as the Weapons Officer of a fast-attack submarine and the Executive Officer of a Trident missile submarine. Ashore, he has served as a tactical evaluator on an inspection team responsible to assess the combat readiness of U.S. submarines, and he currently works in the Office of the Secretary of Defense (OSD CAPE) in the Pentagon. He will return to sea duty in the summer of 2026.
He has his own passion for exercise, which is not always a clean fit with the culture of the submarine community, as you'll hear in this episode.
He also writes on leadership, ethics, and military topics. His book Stoicism as a Warrior Philosophy releases in the US in November.
