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Secretary of Defense

Jim Mattis

Jim Mattis became the 26th defense secretary Jan. 20, 2017. During more than four decades in uniform, he commanded Marines at all levels, including in combat tours in Iraq and Afghanistan. Following his retirement from the U.S. Marine Corps in 2013, Secretary Mattis served as the Davies Family Distinguished Visiting Fellow at the Hoover Institution at Stanford University, specializing in the study of leadership, national security, strategy, innovation and the effective use of military force.

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Defense Secretary Jim Mattis meets with Qatar’s Emir Sheikh Tamim bin Hamad Al Thani at the Sea Palace in Doha, Qatar, April 22, 2017. Sitting to Mattis' left are his advisor, Sally Donnelly, and Dana Smith, U.S. ambassador to Qatar. DoD photo by Air Force Tech. Sgt. Brigitte N. Brantley
Mattis Reinforces U.S.-Qatari Strategic Partnership Story | Flickr Album | Special Report | Travels
Defense Secretary Jim Mattis meets with Israeli President Reuven Rivlin in Jerusalem, April 21, 2017. DoD photo by Air Force Tech. Sgt. Brigitte N. Brantley
Mattis Highlights U.S. Commitment to Israel's Security Story | Transcript | Flickr Album | Travels