Born and raised in Austin, Texas, Command Master Chief (CMC) Sepulveda enlisted into the United States Navy in August of 1987. Upon completion of Basic Training at Recruit Training Command Great Lakes, he continued on to Navy Training Command Great Lakes and attended Gunner’s Mate “A” and “C” schools. He was the Honor Graduate for both his “A” and “C” schools.
Prior to his selection as a CMC, Master Chief Sepulveda’s afloat commands include, USS Mahan (DDG 42) as a missile and gun system technician, USS Exultant (MSO 441) as Ships Armorer, USS Monterey (CG 61) as a plank owner and CG Division Leading Petty Officer, USS Paul F. Foster (DD 964), as the Department Leading Petty Officer, USS Decatur (DDG 73), also as a plank owner and Division Leading Chief Petty Officer, and the USS John Paul Jones (DDG 53), as the Department Leading Chief Petty Officer. Within his combined 19+ years of sea duty, he attained his Enlisted Surface Warfare Specialist, Air Warfare Specialist and Afloat Training Specialist designations, Tactical Action Officer, Combat Warfare Coordinator for air, surface and sub-surface watch stations, Officer of the Deck underway qualifications, and served as the Lead Trainer on the Combat System, Anti-Terrorism, Damage Control and Seamanship Training Teams, throughout his sea tours and numerous deployments.
Ashore, Master Chief Sepulveda’s commands include, NAVMARCORESCEN Jacksonville, FL, as an Instructor and Leading Petty Officer, Regional Support Organization San Diego, as the Combat Systems Officer and INSURV Inspector, and at the Center for Surface Combat Systems Detachment West San Diego, as the Gunner’s Mate Rating Lead and Senior Enlisted Leader. He has completed numerous Anti-Terrorism Training Programs and certifications, as well as Gunner’s Mate related “C” and “F” schools and is a qualified Master Training Specialist Mentor.
Upon his selection into the CMC program, Master Chief Sepulveda’s initial CMC tour was at the Center for Surface Combat Systems San Diego from June 2009 Until October 2011. His follow on assignment was as CMC for Helicopter Sea Combat Squadron SIX (HSC 6) “Screaming Indians”, from November 2011 until May 2014. HSC-6 was attached to Carrier Air Wing ELEVEN, which was embarked and deployed onboard USS NIMITZ (CVN 68). He completed his major command tour as the Wing CMC for Commander, Helicopter Maritime Strike Wing U. S. Pacific Fleet, based out of Naval Base Coronado, from May 2014 until November 2015.
CMC Sepulveda reported to Navy Medicine Education, Training and Logistics Command Head Quarters (NMETLC HQ), located on Joint Base Fort Sam Houston, in San Antonio, Texas, in November of 2015. As the NMETLC HQ CMC, Master Chief Sepulveda is responsible for more than 3,000 officer, enlisted staff, students and civilians from 23 Navy Medicine education and training commands, units and detachments located across the United States. NMETLC HQ manages and executes all of Navy Medicine's formal education and training.
CMC Sepulveda is a graduate of the Senior Enlisted Academy, Class # 161 Blue Group, the Command Leadership Capstone Course, Class # 93, and has attended the MCPON Executive Leadership Symposium and Navy Senior Leader Seminar. He has earned a Bachelor’s Degree in Criminal Justice, with a specialty in Homeland Defense and was the Commander, Navy Helicopter Sea Combat Wing U. S. Pacific Fleet recipient of the FY 2011 peer selected Leadership Award. His personal awards include the Meritorious Service Medal (two awards), Navy Commendation Medal (four awards), Navy Achievement Medal (six awards), and various unit, service and campaign awards.