U.S. Department of Defense - Missile Defense Agency

U.S. Department of Defense - Missile Defense Agency

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MDA Leadership

Within the Department of Defense, the Missile Defense Agency (MDA) is responsible for managing, directing, and executing the Ballistic Missile Defense (BMD) Program. The president and Congress rely on the MDA leadership to provide guidance to carry out the mission entrusted to them.

Organizational Chart

To learn how our leadership is organized, please view our organizational chart. For operational security reasons, we do not include the names of personnel.

Director's Biography

Please click below to view the biography of the current director of the Missile Defense Agency, Lt. Gen. Samuel A. Greaves.

June 16, 2017 — present Lt. Gen. Samuel A. Greaves, USAF

Former Directors' Biographies

Please click on a name to view a biography of former directors of the Missile Defense Agency and its legacy organizations, the Ballistic Missile Defense Organization (BMDO) and the Strategic Defense Initiative Organization (SDIO).

Nov. 19, 2012 — June 16, 2017 Vice Adm. James D. Syring, USN
Nov. 21, 2008 — Nov. 19, 2012 Lt. Gen. Patrick J. O'Reilly, USA
July 2, 2004 — Nov. 21, 2008 Lt. Gen. Henry A. Obering, USAF
June 14, 1999 — July 2, 2004 Lt. Gen. Ronald T. Kadish, USAF
Aug. 1, 1996 — May 28, 1999 Lt. Gen. Lester L. Lyles, USAF
Nov. 22, 1993 — May 31, 1996 Lt. Gen. Malcolm R. O'Neill, USA
July 10, 1990 — Jan. 20, 1993 Ambassador Henry F. Cooper
Feb. 1, 1989 — June 30, 1990 Lt. Gen. George L. Monahan, Jr., USAF
March 27, 1984 — Jan. 31, 1989 Lt. Gen. James A. Abrahamson, USAF