| Birth Date: | 30 June 1968 |
| Birth Place: | Farmington Hills, Michigan |
| Allegiance: | United States |
| Branch: | United States Army |
| Branch Label: | Branch |
| Serviceyears: | 1990–present |
| Rank: | Lieutenant General |
| Commands: | 11th Airborne Division United States Army Alaska 3rd Brigade, 25th Infantry Division Special Troops Battalion, 75th Ranger Regiment 1st Battalion, 6th Infantry Regiment |
| Battles: | Operation Uphold Democracy Operation Iraqi Freedom War in Afghanistan Operation Inherent Resolve |
| Awards: | Army Distinguished Service Medal Defense Superior Service Medal Legion of Merit (4) Bronze Star Medal (3) |
| Alma Mater: | Central Michigan University (BA) U.S. Army War College (MSS) |
Brian Spencer Eifler is a United States Army lieutenant general who has served as the deputy chief of staff for personnel of the United States Army (G-1) since August 2024. He served as the first commanding general of the recently reactivated 11th Airborne Division and the Deputy Commander of Alaskan Command from 2021 to 2024. On 6 June 2022, USARAK reflagged to 11th Airborne Division as part of the implementation of the Army's arctic strategy.[1] [2] [3] He has also served as the Deputy Commander for Operations of the 10th Mountain Division and Operation Inherent Resolve from July 2017 to November 2018.[4]
In 1990, Eifler graduated from Central Michigan University with a bachelor's degree in Interpersonal and Public Communication, gaining a commission as an infantry officer via the Reserve Officer's Training Corps program.[5] As part of his professional military education, he went on to graduate from the United States Army Command and General Staff College and received a master of strategic studies degree from the United States Army War College in 2012.[6]
As the commanding general of 11th Airborne Division and the Deputy Commander of Alaskan Command, Eifler plays a vital role in the implementation of the United States Arctic Strategy.[7] [8] [9]
In May 2024, Eifler was nominated for promotion to lieutenant general and assignment as deputy chief of staff for personnel of the United States Army.[10] [11]
| Major General | 25 February 2021[12] | |
| Brigadier General | 31 October 2017[13] | |
| Colonel | 3 December 2009[14] | |
| Lieutenant Colonel | 30 September 2005[15] | |
| Major | 6 October 2000[16] |
Eifler's recent assignments include Commanding General, United States Army Alaska; Chief, Legislative Liaison, Office of the Secretary of the Army; Deputy Commanding General (Operations), 10th Mountain Division and Operation Inherent Resolve
