In 1991, BG Thomson was assigned to the 2nd Armored Cavalry Regiment in Nuremburg, Germany. His duty assignments included Fire Support Officer and Regimental Assistant S4. From 1992 to 1994, he served as Operations Officer for the 1st Armored Division Artillery in Baumholder, Germany, and then later commanded Bravo Battery, 4th Battalion, 29th Field Artillery in direct support to the 2nd Brigade, 1st Armored Division. Following battery command he returned to the United States and served as a Tactical Officer for the U.S. Corps of Cadets at West Point, New York until 1997.
From 1998 to 2003, BG Thomson was assigned to the 4th Infantry Division at Fort Hood, Texas. His duty assignments included Division Assistant Fire Support Coordinator; Battalion Executive Officer for 2nd Battalion, 20th Field Artillery; Brigade S-3, then later Brigade Executive Officer for the Division Artillery; and Division Deputy Chief of Staff.
BG Thomson commanded the 2nd Battalion, 4th Field Artillery of the 214th Field Artillery Brigade at Fort Sill, Oklahoma from 2003 to 2005. Following battalion command, he served on the Joint Staff in the Pentagon, extensively interacting with the U.S. Department of State on national security affairs. From May 2007 to February 2008, he served as Executive Officer to the Commanding General of Multi-National Corps in Baghdad, Iraq. He later headed the Commander’s Initiatives Group for Multi-National Forces-Iraq from October 2008 to January 2009, and then served as Executive Officer to the MNF-I Commanding General from April 2009 to July 2009.
BG Thomson commanded the 41st Fires Brigade, 1st Cavalry Division at Fort Hood, Texas from 2009 to 2011. Following brigade command, he became the Director of the Chief’s Coordination Group (CCG) for the 38th Chief of Staff of the Army at Headquarters, Department of the Army in the Pentagon through March 2013. From April 2013 to July 2014, he served as Deputy Commanding General for the 4th Infantry Division at Fort Carson, Colorado.
BG Thomson earned a B.S. degree in Computer Engineering from the U.S. Military Academy at West Point, New York in 1986 and a M.S. degree in Counseling and Leader Development from Long Island University in 1995. His awards and decorations include the Defense Superior Service Medal, Legion of Merit, Bronze Star Medal, Defense Meritorious Service Medal, Meritorious Service Medal, Joint Service Commendation Medal, Army Commendation Medal, Army Achievement Medal, Combat Action Badge, Joint Staff Identification Badge, Army Staff Identification Badge, German Armed Forces Proficiency Badge, Parachutist Badge, Ranger Tab, Ancient Order of St. Barbara medal, and 2nd Cavalry Dragoon Order of the Spur.