Lieutenant Colonel Justin C. Nevins
Commander, California Medical Detachment
Lieutenant Colonel Justin C. Nevins assumed command of the California Medical Detachment at the Defense Language Institute in Monterey, Calif. on June 6, 2025. A native of Des Moines, Iowa. He earned a Doctor of Pharmacy degree from the University of Iowa College of Pharmacy in 2006. Before commissioning in the U.S. Army Medical Service Corps in 2012, he held various clinical and administrative positions in academia and the private sector.
His most recent assignment was as the Deputy Commander for Administration at William Beaumont Army Medical Center, Fort Bliss, Texas.
Other previous positions include Chief of pharmacy at Ireland Army Community Hospital, Fort Knox, Kentucky, Munson Army Health Center, Fort Leavenworth, Kansas, Bassett Army Community Hospital, Fort Wainwright, Alaska, and William Beaumont Army Medical Center, Fort Bliss, Texas.
Lieutenant Colonel Nevins is a graduate of the Command and General Staff College (CGSC), the Army Medical Department Captains Career Course and Basic Officer Leaders Course (BOLC).
His awards and decorations include the Bronze Star Medal, Meritorious Service Medal with three oak leaf clusters, and the Army Commendation Medal. He is also authorized to wear the
Parachutist Badge, Air Assault Badge, and Pathfinder Badge.
Lieutenant Colonel Nevins and his wife (Ashley) have been married for 20 years and have two children, Aoife (16) and Maeve (12).
Sergeant First Class Jacob A. Madrid
Detachment Sergeant & Senior Enlisted Advisor
Sergeant First Class Jacob A. Madrid assumed responsibility of Detachment Sergeant and Senior Enlisted Advisor on Sept. 10, 2025. From Colorado Springs, Colorado, and raised in Las Cruces, New Mexico, SFC Madrid enlisted in the U.S. Army in January 2009 as a 68W Combat Medic Specialist. He completed Basic Combat training at Fort Benning, Georgia, and advanced to Individual training at Fort Sam Houston, Texas. After graduating Airborne School at Fort Benning, Georgia, SFC Madrid's first assignment was with 28th Combat Support Hospital, Fort Bragg, North Carolina where he served as an Airborne Medic.
Throughout his career, Sergeant First Class Madrid has held a variety of leadership positions, including Medical NCOIC San Diego Military Entrance Processing Station, San Diego, CA; First Sergeant C Company 123rd Brigade Support Battalion Fort Bliss, Texas; Treatment Platoon Sergeant C Company 123rd BSB Fort Bliss, Texas; Emergency Care NCOIC 131st Field Hospital Fort Bliss, Texas; FEMA COVID Vaccine Humanitarian Relief NCOIC New York, New York; S3 Operations NCOIC 131st Field Hospital Fort Bliss, Texas.
His military education includes Emergency Medical Technician Course, Senior Leader Course, Army Recruiter Course, Airborne School, Brigade Combat Team Trauma Instructor Course, Combat Lifesaver Instructor Course, Mine Resist Ambush Protection Vehicle Course, Bus Driver Course, Unit Postal Clerk Course, Digital Training Management System Course, Forklift Operator Course, Unit Prevention Leader Course, Generator Operator's Course, Basic Welder Course. In addition, SFC Madrid holds a Bachelor of Criminal Justice from New Mexico State University.
His awards and decorations include the Joint Service Commendation Medal (2nd Award), Army Commendation Medal (8th Award), Joint Service Achievement Medal (3rd Award), Army Achievement Medal (4th Award), NCO Professional Development Ribbon (Numeral 3), Good Conduct Medal (5th Award), Afghanistan Campaign Medal (2nd Star), Global War on Terrorism Expeditionary Medal, Global War on Terrorism Service Medal, National Defense Service Medal, Korea Defense Service Medal, Armed Forces Service Medal, Humanitarian Service Medal, Military Outstanding Volunteer Service Medal, Army Service Ribbon, Overseas Service Ribbon (Numeral 3), NATO Medal, Army Superior Unit Award (2nd Award, Meritorious Unit Commendation (2nd Award), Army Recruiter Badge, Army Driver and Mechanic Badge, Army Parachutist Badge