Brigadier General Mike Morrissey enlisted in the United States Army Reserves in 1986. In 1990, he graduated from Bloomsburg University, Pennsylvania, and received a Regular Army commission, as an Air Defense Officer. BG Morrissey served in a myriad of leadership positions from platoon leader through Brigade Commander.

His operational experience includes: platoon leader in Desert Shield/Desert Storm; Battery Commander in Operation Joint Endeavor/Joint Guard (SFOR), Bosnia; 1st Infantry Division Chief of Plans initially for Operation Joint Guardian (KFOR), Kosovo then ARFOR-Turkey as part of Operation Iraqi Freedom I; Division Deputy G3 for preparation and deployment in support of Operation Iraqi Freedom II; and Task Force 1-18 Infantry ("Vanguards") Executive Officer, Tikrit, Iraq and most recently the G3 for United States Army Central.

BG Morrissey commanded 5th Battalion, 5th Air Defense Artillery, June 2008 to April 2011, including command of Joint Task Force 5-5 (C-RAM) in support of Operation Iraqi Freedom/ Operation New Dawn.

BG Morrissey then commanded the 31st Air Defense Artillery Brigade, July 2012 to June 2014, which included deploying 4-3 ADA to Kuwait, 3-2 ADA to Turkey, and 1-62 ADA to Jordan.
As the commander, BG Morrissey also deployed the brigade headquarters in support of Operation Enduring Freedom where they led the forward air and missile defense mission across Qatar, United Arab Emirates, Kuwait, Bahrain, and Jordan.

BG Morrissey also served as a Congressional Fellow on the staff of a U.S. Senator (Chairman of Appropriation), on the Army Staff, and with the Office of the Secretary of Defense.
BG Morrissey is a graduate of Air Defense Officer Basic Course, Infantry Officer Advanced Course, Light Commander's Course, Bradley Commander's Course, Command and General Staff College (CGSC), School of Advanced Military Studies (SAMS), Georgetown University Government Affairs/ Army Congressional Fellowship Program, National War College, and the MIT Seminar XXI National Security Studies Program.

BG Morrissey and his wife, Cindy, have two sons.