About Us

Command Group

COL Stacey S. Amos

Commander, U.S. Army Medical Department Activity
Fort Leonard Wood, Missouri

Colonel Amos assumed Command on June 16, 2022. Prior to then, she was serving as the Deputy Chief of Staff for Quality and Safety at the Office of the Surgeon General in Falls Church, VA. Following her command at the Wiesbaden Army Health Clinic in Germany, 2018-2020, she completed Senior Service College at the Eisenhower School in June 2021. Prior to her arrival in Germany, she was dual-hatted as the Deputy Commander for Health Readiness and Chief Nursing Officer from 2016 to 2018 in Fort Lee, VA.  Her departments included five active duty clinics, Preventive Medicine, Education and Training, Operations and Readiness, and the Army Wellness Center.

COL Amos attended Tuskegee University on a four-year Army ROTC scholarship and graduated with a Bachelor of Science in Nursing. Her first assignment was at Fort Jackson, SC as a medical-surgical nurse for three years. In 2001, she attended the Perioperative Nursing Course at Fort Sam Houston, TX and then proceeded to Dwight D Eisenhower Army Medical Center, where she was assigned from 2002-2005. COL Amos was selected to attend the Uniformed Services University of the Health Sciences and graduated in June 2007 with a Master of Science in Nursing as a Perioperative Clinical Nurse Specialist and a Registered Nurse First Assistant. Following graduate school, she was assigned as the OR/CMS OIC for the 115th Combat Support Hospital (CSH) in Fort Polk, LA. She deployed to Iraq from May 2008-Aug 2009 in support of Operation Iraqi Freedom.

From 2009-2013, COL Amos was assigned to Landstuhl Regional Medical Center’s operating room and Nursing Supervision departments. Prior to taking over as the William Beaumont Army Medical Center (WBAMC) Troop Commander, responsible for 1200 Soldiers, she was the Clinical Nurse Officer in Charge (CNOIC) of the operating room. COL Amos holds a BSN from Tuskegee University, an MSN from the Uniformed Services University, an MBA from Webster University, an MS in National Resource Strategy from the Eisenhower School, and a Doctorate of Business Administration in Healthcare Management from Walden University.

COL Amos’ awards and decorations include the Bronze Star Medal, the Meritorious Service Medal (4OLC), the Army Commendation Medal (1OLC), the Army Achievement Medal (1OLC), the Army Meritorious Unit Citation, the Army Superior Unit Award, Iraqi Campaign award, the Military Outstanding Volunteer Service Medal, the Armed Forces Service Medal, and she is a member of the Order of Military Medical Merit (O2M3). She is happily married to Mr. Carey Amos and they have four children and one grandchild.

CSM John P. Castillo

Command Sergeant Major
Gen. Leonard Wood Army Community Hospital
U.S. Army Medical Department Activity
Fort Leonard Wood, Missouri

CSM John Paul Castillo enlisted in the U.S, Army as a 13B (Cannon Crewmember) and attended One-Station Unit Training at Fort Sill, Oklahoma. CSM Castillo later reclassified to 68S (Preventive Medicine Specialist). Since then, he has served in leadership positions of increasing responsibility to include team leader, squad leader, Platoon Sergeant, Detachment Sergeant, Department Noncommissioned Officer-in-charge, Senior Operations Sergeant, First Sergeant, Chief Medical Noncommissioned Officer (NCO), and Sergeant Major.  He currently serves as the Command Sergeant Major of General Leonard Wood Army Community Hospital.

CSM Castillo is a Class 67 graduate of the United States Army Sergeants Major Academy (USASMA), and he has attended numerous professional military training courses to include the Tactical Combat Casualty Care Course, the Battle Staff Noncommissioned Officer Course, the Health Physics Specialty Course, and the Master Resiliency Trainer Course. CSM Castillo earned placement on the Commandant’s List at every level of the NCO Education System and was a recipient of the 2016 USASMA Military Writing Award from the Association of the United States Army.

CSM Castillo’s awards include the Meritorious Service Medal (9th award), the Army Commendation Medal (13th award), the Army Achievement Medal (12th award), the Meritorious Unit Commendation, the Army Superior Unit Award, the Afghanistan Campaign Medal, the Good Conduct Medal (8th award), the Expert Field Medical Badge, the German Armed Forces Proficiency Badge (Gold), the Norwegian Road March Badge, and the Driver’s Badge (wheeled).  CSM Castillo is a Sergeant Audie Murphy Club inductee and a member of the prestigious Order of Military Medical Merit (O2M3).


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