Biographies

Brigadier General Shawn M. O’Brien

Assistance Adjutant General

Brigadier General Shawn M. O’Brien assumed duties as The Assistance Adjutant General, New Hampshire on March, 2018. 

EDUCATION:
Plymouth State University - BS - Sport and Exercise Science
United States Army War College - MSS - Strategic Studies
 
ASSIGNMENTS:

1.    May 1986 - June 1987 Anti-Armor Platoon Leader, Combat Support Company, 3rd Battalion, 172nd Infantry (Mountain), Lebanon, New Hampshire
2.    June 1987 - August 1987 Student, Infantry Officer Basic Course, Fort Benning, Georgia
3.    August 1987 - April 1989 Anti-Armor Platoon Leader, Combat Support Company, 3rd Battalion, 172nd Infantry (Mountain), Lebanon, New Hampshire
4.    May 1989 - August 1991 Scout Platoon Leader, Combat Support Company, 3rd Battalion, 172nd Infantry (Mountain), Lebanon, New Hampshire
5.    September 1991 - May 1993 Executive Officer, Combat Support Company, 3rd Battalion, 172nd Infantry (Mountain), Lebanon, New Hampshire
6.    June 1993 - December 1994 Commander, Charlie Company, 3rd Battalion, 172nd Infantry (Mountain), Lebanon, New Hampshire
7.    January 1995 - November 1996 Assistant S3, 54th Troop Command, Concord, New Hampshire
8.    December 1996 - December 1999 S-4, 54th Troop Command, Concord, New Hampshire
9.    January 2000 - September 2003 S-3, 54th Troop Command, Concord, New Hampshire
10.    October 2003 - January 2005 Executive Officer, 54th Troop Command, Concord, New Hampshire
11.    February 2005 - May 2006 Battalion Executive and Operations Mentor, 2nd Battalion, 1st Brigade, 203rd Corps, Task Force Phoenix, Orgun-E, Afghanistan
12.    June 2006 - October 2006 Chief Training Branch, Joint Force Headquarters, Concord, New Hampshire
13.    November 2006 - November 2007 Chief Operations Branch, Joint Force Headquarters, Concord, New Hampshire
14.    December 2007 - September 2009 Battalion Commander, 54th Troop Command, Concord, New Hampshire
15.    August 2009 - June 2010 Student, Army War College, Carlisle Barracks, Pennsylvania
16.    July 2010 - October 2010 Chief Operations Branch, Joint Force Headquarters, Concord, New Hampshire
17.    November 2010 - August 2014 G4, Joint Force Headquarters, Concord, New Hampshire
18.    September 2014 - April 2016 Chief of Joint Staff, Joint Force Headquarters, Concord, New Hampshire
19.    April 2016 - March 2018 Director, Joint Staff - (NH) Joint Force Headquarters (JFHQ), Concord, New Hampshire
20.    March 2018 - Present Assistant Adjutant General, New Hampshire Joint Force Headquarters, Concord, New Hampshire


 
AWARDS AND DECORATIONS:
Bronze Service Medal
Meritorious Service Medal (with 1 Bronze Oak Leaf Cluster)
Army Commendation Medal (with 1 Bronze Oak Leaf Cluster)
Army Meritorious Unit Commendation
Army Reserve Components Achievement Medal (with 1 Silver and 2 Bronze Oak Leaf Clusters)
National Defense Service Medal (with Bronze Service Star)
Afghanistan Campaign Medal
Global War on Terrorism Service Medal
Armed Forces Reserve Medal (with Silver Hourglass and "M" Device)
Army Service Ribbon
Overseas Service Ribbon
Army Reserve Component Overseas Training Ribbon (with numeral 2)
New Hampshire National Guard State Active Service Ribbon
New Hampshire National Guard Service Ribbon (with State Seal)
Vermont National Guard Outstanding Unit
Combat Infantry Badge
United States Army Excellence in Competition Badge, Bronze, Pistol
United States Army Excellence in Competition Badge, Bronze, Rifle
 
MILITARY SCHOOLS ATTENDED:
Infantry Officer Basic Course
Infantry Officer Advanced Course
United States Army Command and General Staff College
United States Army War College
National Guard Fiscal Law Course
National Guard Professional Education Center, Strategic Planning and Management Course, Camp Robinson
Harvard University, Leadership in Homeland Security
Harvard University, General and Flag Officer Homeland Security Executive Seminar
Army Strategic Education Program-Basic (ASEP-B)
Dual Status Commanders Course (NORTHCOM)
Joint Task Force Commanders Course (NORTHCOM)
United States Judge Advocate School, Reserve Component - General Officer Legal Orientation Course (RC-GOLO)

EFFECTIVE DATES OF PROMOTION:
Second Lieutenant, May 29, 1986
First Lieutenant, May 27, 1989
Captain, September 1, 1993
Major, March 14, 2000
Lieutenant Colonel, March 30, 2006
Colonel, June 30, 2011
Brigadier General, September 7, 2017