Major General Roger O. Sheridan serves as the Commander of the State Guard. The State Guard assists state and local authorities in response to state emergencies and natural disasters. Additionally, they support border security efforts and community service activities. The State Guard key missions include supporting the Texas State Operations Center, liaison officer field support, engineering assistance, the Texas Emergency Tracking Network, Shelter support, ground search and recovery/rescue, flood water operations, interoperable communication packages, mobile towers, the joint cyber team, medical staging and medical reception.
General Sheridan graduated from Sam Houston State University in 1988 with a bachelor’s degree in political science and was commissioned in the United States Marine Corps. He served 21 years in the Marine Corps and Marine Corps Reserve before retiring in 2009. Throughout his service with the Infantry, he deployed in support of Operations DESERT SHIELD, DESERT STORM, IRAQI FREEDOM and RESTORE HOPE. General Sheridan later joined the Texas State Guard in 2012 where he has served as the Chief of Staff for the Maritime Regiment, T-3 Operations Officer, and Brigade Commander of the 6th Brigade.
General Sheridan resides in Bryan, Texas and is employed as the Deputy Director for the Brazos Valley Council of Governments since 2021.
EDUCATION
2020 Texas State Guard Senior Leaders Course
2017 Texas Adjutant General Leadership Development Program
2015 Master Military Emergency Management Specialist Course
2006 Marine Corps Command & Staff College
2006 Media Symposium
2004 Expeditionary Warfare Staff Planning
1999 Fire Support in MAGTF Operations
1992 Military Operations in Urban Terrain Instructor Course
1991 Summer Mountain Leaders Course
1990 Infantry Officer Course
1989 The Basic School
ASSIGNMENTS
1. April 1990 – March 1991, Infantry Platoon Commander, 1st Battalion 5th Marines, 1st Marine Division, Camp Pendleton, Calif.
2. March 1991 - March 1992, Anti-Armor Platoon Commander, 1st Battalion 5th Marines, 1st Marine Division, Camp Pendleton, Calif.
3. March 1992 - June 1992, Anti-Armor Platoon Commander, 2nd Battalion 9th Marines, 1st Marine Division, Camp Pendleton, Calif.
4. June 1992 – June 1993, Executive Officer, H&S Company, 2nd Battalion 9th Marines, 1st Marine Division, Camp Pendleton, Calif.
5. October 1993 - January 1997, Infantry Platoon Commander, 1st Battalion 23d Marines, Camp Mabry, Texas
6. February 1997 - September 1998, Executive Officer, Weapons Company, 1st Battalion 23d Marines, Camp Mabry, Texas
7. October 1998 - November 1999, Assistant Fire Support Coordinator, 1st Battalion 23d Marines, Houston, Texas
8. November 1999 – May 2000, Fire Support Coordinator, 1st Battalion 23d Marines, Houston, Texas
9. May 2000 - November 2002, Commander, Weapons Company, 1st Battalion 23d Marines, Camp Mabry, Texas
10. November 2002 - February 2003, Assistant Operations Officer, 1st Battalion 23d Marines, Houston, Texas
11. February 2003 - July 2004, Operations Officer, 1st Battalion 23d Marines, Houston, Texas
12. July 2004 - September 2005, Executive Officer, 1st Battalion 23d Marines, Operation Iraqi Freedom
13. September 2005 - April 2006, Marine Force Reserve
14. April 2006 - October 2006, Battalion Commander, 1st Battalion 24th Marines, Selfridge, Mich.
15. October 2006 – April 2009, Marine Force Reserve
16. October 2012 – February 2018, N2/N5, Texas Maritime Regiment, Texas State Guard, Camp Mabry, Texas
17. February 2018 – September 2019, Chief of Staff, Texas Maritime Regiment, Texas State Guard, Camp Mabry, Texas
18. September 2019 - August 2022, T-3 Operations Officer, Texas State Guard Headquarters, Camp Mabry, Texas
19. August 2022 – January 2025, Commander, 6th Brigade, Texas State Guard, Camp Mabry, Texas
20. January 2025 – Present, Commander, Texas State Guard, Camp Mabry, Texas
MAJOR AWARDS AND DECORATIONS
- Combat Action Ribbon with 1 star
Joint Meritorious Unit Award
Navy Unit Commendation
Selected Marine Corps Reserve Medal with 3 stars
National Defense Service Medal with 1 star
Armed Forces Expeditionary Medal
Southwest Asia Service Medal with 2 stars
Iraqi Campaign Medal
Global War on Terrorism Service Medal
Sea Service Deployment Ribbon with 3 stars
Armed Forces Reserve Medal with “M” device
Kuwait Liberation Medal Government of Saudi Arabia
Kuwait Liberation Medal Government of Kuwait
Texas Outstanding Service Medal with device
Texas Humanitarian Service Medal
Texas Faithful Service Medal
Texas State Guard Service Medal
EFFECTIVE DATES OF PROMOTION
Second Lieutenant December 16, 1988
First Lieutenant December 16, 1990
Captain September 1, 1994
Major October 1, 1999
Lieutenant Colonel September 1, 2005
Colonel November 18, 2017
Brigadier General August 15, 2022
Major General January 15, 2025
(Current as of January 2025)