MDA Leadership

Within the Department of Defense, the Missile Defense Agency (MDA) is responsible for managing, directing, and executing the Ballistic Missile Defense 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 current organizational chart. For operational security reasons, we include only the names of our Director, Deputy Director, and Executive Director.


Director's Biography

Please click below to view the biography of the current director of the Missile Defense Agency, Vice Admiral James D. Syring.

Nov. 19, 2012 - present Vice Adm. Syring


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. 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