Mr. Shannon L. Deville began serving as the Director of Schreiner Institute at Schreiner University in January of 2020. Before joining Schreiner University, he attended Hardin-Simmons University in Abilene, Texas, where he graduated summa cum laude with a Bachelor of Science in Criminal Justice and a minor in Forensic Studies.

Deville enlisted in the United States Marine Corps in 2009 as a Field Wireman. During his time on active duty, he was assigned to 2nd Battalion 7th Marine Regiment, in Twenty-Nine Palms, CA, and deployed to Okinawa, Japan, and the Philippines while on the 31st Marine Expeditionary Unit in support of Pacific Command contingency operations.

After returning from the 31st Marine Expeditionary Unit, he deployed to Sangin, Afghanistan, located in the Southern Helmand Province where he directly supported advise and assistance efforts for both the Afghan National Army and Afghan National Police.

He was assigned to the 1st Intelligence Battalion aboard Camp Pendleton, CA, in 2014, after conducting a lateral move and becoming a Tactical Imagery Analyst. While at the 1st Intelligence Battalion, he was attached to the 1st Marine Expeditionary Forces (I MEF) Intelligence Center (IMIC) , where he directly supported training and combat operations throughout I MEF’s Area of Responsibility.

He transitioned from the active-duty component of the Marines Corps to the Select Marine Corps Reserves and was attached to the Imagery Interpretation Platoon (IIP), Headquarters and Support Company, Intelligence Support Battalion (ISB) in 2018.

Deville currently lives in the Texas Hill Country where he enjoys spending time with his wife and daughter as well as supporting students who have a desire to serve in the military either through the Reserve Officer Training Corps or after attending one of the national Military Service Academies, Veterans, and Veteran Dependent students.

Mr. Roosevelt Nettles, Jr. began serving as the Military Academy Preparatory School (MAPS) Coordinator of Schreiner Institute at Schreiner University on March 9, 2021. Before serving as the MAPS Coordinator, he served in a variety of active-duty Army units to include Light Infantry, Aviation, Watercraft, Cavalry, Training and multiple Medical Organizations. These assignments included one operational deployment to Guantanamo Bay, Cuba in support of Operation Sea Signal, and three combat deployments (one tour in Iraq and two tours in Afghanistan).

Mr. Nettles entered the U.S. Army in September 1991 as a Combat Medic and during a 29½year career he held all leadership positions commensurate with his career field. These include Command Sergeant Major, Senior Enlisted Advisor, Operations Sergeant Major, First Sergeant, Operations Sergeant, Senior Instructor, Platoon Sergeant, Squad Leader, Team Leader, and Clinic NCOIC.

Roosevelt’s military education included but was not limited to the Advanced Leader Course, Senior Leader Course, First Sergeants Course and the United States Army Sergeants Major Course (Class 65). His civilian education includes a Bachelor of Arts in History from the University of South Carolina, Columbia, SC and a Master of Arts in Organizational Leadership from Brandman University, Irvine, CA.

Roosevelt retired from active duty on April 30, 2021.

He currently lives in San Antonio where he enjoys gardening, biking and spending time with his family.

Roosevelt Nettles, Jr. retired from the U.S. Army in 2021, his last assignment was as the Command Sergeant Major of 264th Medical Battalion at Fort Sam Houston, Texas. Prior to this assignment he served as the Senior Enlisted Advisor of Public Health Command-Pacific and earlier as the Operations Sergeant Major for 18th Medical Command.

Roosevelt is a 2015 graduate of the U.S. Army Sergeants Major Academy (Class 65). His civilian education includes a Bachelor of Arts in History from the University of South Carolina, Columbia, SC and a Master of Arts in Organizational Leadership from Brandman University, Irvine, CA. He currently lives in San Antonio where he enjoys gardening, biking and spending time with his family.