Lieutenant Colonel Pimentel entered the Marine Corps in May 2007 through the United States Naval Academy. Upon
completion of The Basic School and the Basic Communications Officer Course, he reported to Headquarters and Service Company, 7th Marine Regiment in Twentynine Palms, California in June 2008 where he served as the Communications Platoon Commander, deploying to Helmand Province, Afghanistan in support of Operation Enduring
Freedom from October 2009 to October 2010.
In March of 2011, he departed 7th Marines for the Naval Postgraduate School in Monterey, California after being selected for the Special Education Program. He graduated with distinction in June 2013, earning a Master of Science in Electrical Engineering and an academic certificate in cyber warfare. Subsequently, he was assigned to the Office of Naval Research in Arlington, Virginia where he joined the Expeditionary Maneuver Warfare and Combating Terrorism Department, serving as the Deputy Program Manager, and Program Manager (acting) of the Command & Control, Communications, Computers (C4) and Cyber Program.
In June 2016, Lieutenant Colonel Pimentel reported to Marine Wing Headquarters Squadron 1, 1st Marine Aircraft Wing in Okinawa, Japan where he served as the Network Operations Officer and the Deputy Assistant Chief of Staff G-6. In July 2018, he was reassigned to III Marine Expeditionary Force (MEF) after being selected to serve as Aide-de-Camp to the III MEF Commanding General.
In July 2019, Lieutenant Colonel Pimentel returned to the Naval Postgraduate School after his selection for the Marine Corps Doctor of Philosophy Technical Program. He graduated with a Ph.D. in Information Sciences in June 2022. Following his graduation, Lieutenant Colonel Pimentel reported to the Deputy Commandant for Combat Development and Integration in Quantico, Virginia where he joined the Force Design Research Group. He is currently on a temporary assignment to the FutureG Office in the Office of the Under Secretary of Defense for Research and Engineering where he serves as the Marine Corps Lead for Warfighter Engagement and leads the Camp Pendleton 5G experiment for Expeditionary Advanced Base Operations.
Lieutenant Colonel Pimentel’s military education includes non-resident Expeditionary Warfare School, the College of Naval Command Staff, and the Joint Cyberspace Operational Planners Course. His personal awards include the Meritorious Service Medal and the Navy and Marine Corps Commendation Medal with gold star.