Our Leaders

Our nation’s top civilian defense and military leaders work hard for the American people every day.

Army Secretary Dr. Mark T. Esper visits with soldiers at the Joint Multinational Readiness Training in Hohenfels, Germany, Sept. 22, 2018.

Secretary of Defense Dr. Mark T. Esper

The defense secretary oversees the Defense Department and acts as the principal defense policy maker and advisor.

Deputy Secretary of Defense David L. Norquist

The deputy secretary of defense is in charge of the Defense Department’s day-to-day business. The primary responsibility is managing the defense budget and executing the defense secretary’s priorities.

Chairman of the Joint Chiefs of Staff Army Gen. Mark A. Milley

The chairman of the Joint Chiefs of Staff is the nation’s highest-ranking military officer and the principal military advisor to the president, the secretary of defense and the National Security Council.

Vice Chairman of the Joint Chiefs of Staff Air Force Gen. John E. Hyten

The vice chairman of the Joint Chiefs of Staff is the nation's second-highest-ranking military officer, responsible for overseeing joint military requirements, representing the military in National Security Council deputies meetings, and performing other duties as directed by the chairman.