CSM Pena is a native of Hillsboro, Texas and enlisted in the Army on 1 November 1998 as an 11C (Mortar-man). CSM Pena is married to the former MSG Mistie Garrett. MSG Pena, Mistie is currently serving as the 69th ADA BDE S4 NCOIC. They have 4 children: Jeremy 20, Kristofer 9, Adan 2 and Aurelia 4 months old.

CSM Pena’s military and civilian education includes the Warrior Leader course, Basic Leaders course, Advanced Leaders course, 1SG course, Drill Sergeant School, Ranger school, Jumpmaster, Airborne, Air Assault, & Pathfinder School, Combative Level 4 certified, Master Resilience Trainer course, Sergeants Major Academy and BN Pre-command course graduate. CSM Pena is a capstone away from achieving a Bachelor’s degree in Business Management from Excelsior University.

CSM Pena’s previous assignments include: 120mm mortar gunner HHC 3-66 AR (Fort Hood, TX); Team Leader B/1-14 IN, 25th Infantry Division (Schofield Barracks, HI); Squad Leader, A/2-5 CAV, 1st Brigade, 1st CD (Fort Hood, TX); Senior Drill Sergeant A/2-19 IN, Infantry Training Brigade (Fort Benning, GA); Platoon Sergeant B/1-15th IN, 3rd BDE, 3rd ID (Fort Benning, GA); OC/T, 3/393 IN, 1st Army Division West (Fort Hood, TX); First Sergeant A/HHC/1-5 CAV, 2nd BDE, 1CD (Fort Hood, TX); First Sergeant A/D 1-501 IN (ABN) 4-25 IBCT (ABN); Class 67 USASMA; BN CSM 2-12 CAV, 1ABCT, 1CD (Fort Hood, TX).  He has been deployed to Iraq, and Afghanistan.

CSM Pena’s awards and decorations include the Bronze Star Medal (2nd award), Meritorious Service Medal (5th award), Army Commendation medal (6th award), Army Achievement medal (11th award), Joint Meritorious Unit Award, Meritorious Unit Commendation (2nd award), Army Superior Unit Award to name a few.  He has been awarded the Combat Infantryman’s badge, Expert Infantryman’s badge, Drill Sergeant Badge, Senior Parachutist Wings, Japanese Jump Wings, Air Assault Wings, Pathfinder Torch, Ranger tab, The Order of Saint Maurice (Centurion), and he is a member of the Distinguished Sergeant Audie Murphy Club.