Home » Schreiner Institute » Schreiner Institute Staff Bios
Shannon Deville

Director Bio

Mr. Shannon L. Deville
United States Marine Corps, Veteran
Director, Schreiner Institute at Schreiner University

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.


MAPS Coordinator Bio

Mr. Roosevelt Nettles, Jr.
Command Sergeant Major,
United States Army, Retired
Military Academy Preparatory School Coordinator,
Schreiner Institute at Schreiner University

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.

Michael Lee Cruz

Regional Territory Manager Bio

Mr. Michael Lee Cruz
Chief Warrant Officer 2,
United States Army, Retired
Office of Admissions, Schreiner University

Mr. Michael Cruz began serving as the Regional Territory Manager in the Office of Admissions at Schreiner University on May 16, 2022. Prior to his current position, he completed a three-month fellowship with the Schreiner Institute through the Hiring Our Heroes – Corporate Fellowship Program, sponsored by the United States Chamber of Commerce.

Mr. Cruz is a native of Del Rio, TX. He graduated from Del Rio High School in 2002. He enlisted in the United States Army on June 6, 2002, where he completed Basic Combat Training and Advanced Individual Training (AIT) at Fort Sill, Oklahoma. He is a graduate of Cameron University in Lawton, OK with a Bachelor of Science degree in Criminal Justice and Organizational Leadership. He is also a certified and current Project Management Professional governed by the Project Management Institute. During his 11 years as an enlisted Soldier and Non-Commissioned Officer, he held every position from RTO to Chief Fire Control Sergeant within the Fire Direction Center with a special assignment as an AIT Senior Instructor. In March 2013, he received an appointment to the Warrant Officer Cohort and commissioned as an Electronic Warfare Technician serving on the multiple Brigade and Division staffs.

Michael served in the military for over 20 years and retired on July 1, 2022 as a Chief Warrant Officer 2. He first enlisted in the Army as a Fire Direction Specialist serving with the 1st Battalion, 9th Field Artillery Regiment, 3rd Infantry Division (Mech), Fires Squadron, 2nd Cavalry Regiment, 1st Battalion, 78th Field Artillery Regiment. As a Warrant Officer, he served with the 210th Field Artillery Brigade, Camp Casey, South Korea, 2nd Infantry Brigade Combat Team, 4th Infantry Division, Fort Carson, CO and 1st Cavalry Division, Fort Hood, TX. His deployments include Operation Desert Spring (2002); Operation Iraqi Freedom I, III, 07-09 (2003-2008); Operation Freedom’s Sentinel (2016).

Mr. Cruz’s professional military education includes Warrant Officer Candidate, Basic, and Advanced Courses, Joint Firepower Course, Army Space Cadre Basic Course, Army Cyberspace Operations Planners Course, and Joint Electronic Warfare Theater Operations Course.

His awards and decorations include the Bronze Star Medal, Meritorious Service Medal, Army Commendation Medal (8th Award), Army Achievement Medal (3 OLC), Army Good Conduct Medal, (3 Loop), National Defense Service Medal, Armed Forces Expeditionary Medal, Iraq Campaign Medal (5 CS), Afghanistan Campaign Medal (1 CS), Global War on Terrorism Expeditionary Medal, Global War on Terrorism Service Medal, Korean Defense Service Medal, Military Outstanding Volunteer Service Medal, NCO Professional Development Ribbon (Numeral 2), Army Service Medal, Overseas Service Ribbon (Numeral 6), NATO Medal (Afghanistan), Presidential Unit Citation and Meritorious Unit Citation (1 OLC), Combat Action Badge and Army Basic Space Badge.

Michael is married with three children and two grandchildren. His hobbies include spending time with his family, boxing, speaking with people, and helping others. He is passionate about investing in people and living a happy life.


Contact Us

We would be happy to answer any of your questions!

Special Events

Scheduled events such as Schreiner Saturdays offer a variety of information sessions led by faculty, admissions staff, and students to allow prospective students to see what Schreiner University has to offer.

Daily Events

You will have the opportunity to experience campus on a tour led by a current student as well as meet with a faculty member and one of our admissions team members to talk about your application, scholarships and financial aid! Tours are available Monday through Friday at 9 AM, 11 AM, 1 PM, and 3 PM.