Peter Brian Hegseth serves as the 29th United States Secretary of Defense, a position he has held since 2025. He was confirmed by the Senate, with Vice President JD Vance casting a tie-breaking vote. Hegseth studied politics at Princeton University, where he was the publisher of The Princeton Tory. He was commissioned as an infantry officer in the Minnesota Army National Guard, serving at Guantanamo Bay Naval Base and deploying to Iraq and Afghanistan.