Originally from Massachusetts, William graduated Harvard College in 2015 with an A.B. in Government. Following graduation, he commissioned in the Marine Corps through OCS and became an infantry officer. Stationed in Camp Lejeune, NC, he served as a rifle platoon commander in 3d Battalion 2d Marines, and then as an Combined Anti-Armor Team platoon commander with 2d Battalion 6th Marines. He left Active Duty in 2020, and now lives in Cambridge, MA, and is a J.D. candidate at Harvard Law School.