Mary F. O'Brien

Mary F. O'Brien
Allegiance	United States
Service / branch	United States Air Force
Years of service	1989–2023
Rank	Lieutenant General
Commands	Twenty-Fifth Air Force 70th Intelligence, Surveillance and Reconnaissance Wing 691st Intelligence, Surveillance and Reconnaissance Group 22nd Intelligence Squadron
Battles / wars	War in Afghanistan
Awards	Defense Distinguished Service Medal Air Force Distinguished Service Medal Defense Superior Service Medal (4) Legion of Merit

Mary F. O'Brien is a retired United States Air Force lieutenant general who served as the director for command, control, communications, and computers/cyber and chief information officer of the Joint Staff from 2022 to 2023. She previously served as the Deputy Chief of Staff for Intelligence, Surveillance, Reconnaissance and Cyber Effects Operations from 2019 to 2022.[1] Prior to serving in that position, O'Brien commanded the Twenty-Fifth Air Force.[1]

O'Brien is from Bloomfield Hills, Michigan and graduated from the United States Air Force Academy in 1989 with a Bachelor of Science in chemistry.[2] In April 2022, O'Brien was nominated for appointment as director of command, control, communications, and computers/cyber and chief information officer of the Joint Staff.[3][4]

Effective dates of promotions

Rank[1]	Date
Second Lieutenant	May 31, 1989
First Lieutenant	May 31, 1991
Captain	May 31, 1993
Major	July 1, 1999
Lieutenant Colonel	March 1, 2002
Colonel	August 1, 2007
Brigadier General	May 2, 2014
Major General	August 2, 2017
Lieutenant General	November 8, 2019

References

 This article incorporates public domain material from websites or documents of the United States Government.

1. "Lieutenant General Mary F. O'brien (USAF)". United States Air Force. March 21, 2021. Archived from the original on March 21, 2021. Retrieved August 5, 2021. This article incorporates text from this source, which is in the public domain.
2. https://s3.amazonaws.com/usafayearbooks/1989.pdf (pg 129)
3. "Senior Leader Announcement: Week of April 5". United States Air Force. April 5, 2022.
4. "PN1906 — Lt. Gen. Mary F. O'Brien — Air Force". United States Congress. April 4, 2022.

Military offices
Preceded by John D. Bansemer	Commander of the 70th Intelligence, Surveillance and Reconnaissance Wing 2011–2013	Succeeded by Kevin D. Dixon
Preceded by James R. Marrs	Director for Intelligence of the United States Cyber Command 2015–2017	Succeeded by Timothy D. Haugh
Preceded by Bradford J. Shwedo	Commander of the 25th Air Force 2017–2019
Preceded by VeraLinn Jamieson	Deputy Chief of Staff for Intelligence, Surveillance, Reconnaissance, and Cyber Effects Operations of the United States Air Force 2019–2022	Succeeded by Leah G. Lauderback
Preceded by Dennis Crall	Director for Command, Control, Communications, and Computers/Cyber and Chief Information Officer of the Joint Staff 2022–2023	Succeeded by David T. Isaacson