Colonel Karega assumed command of Marine Corps Logistics Base Barstow on 1 July 2015.
Colonel Karega attended the University of Illinois in Champaign-Urbana and received a Bachelor of Science in Biology in May 1988. He was commissioned a Second Lieutenant in December 1989 and later completed a Juris Doctor from Thomas M. Cooley Law School in August 1993. Additionally, he earned a Master of Arts in National Security Affairs from the Naval Postgraduate School in June 2002 and a Master of Strategic Studies from the US Army War College in July 2016.
Colonel Karega was assigned to 1st Landing Support Battalion, 1st Force Service Support Group (FSSG) from December 1995 to April 1997. There, he served as platoon commander, Beach and Terminal Operations Company, Detachment Commander, Landing Support Detachment, and Assistant S-2/S-3 Officer. In April 1997, Colonel Karega transferred to 1st FSSG (Fwd) where he was assigned as the Operations Officer and Training Officer. Following that assignment, Colonel Karega was selected as Commanding Officer, Combat Service Support Detachment-14 (CSSD-14), El Toro, California from May 1998 to June 1999. There, his responsibilities included the complete migration and deactivation of the unit. After his tour of duty as Commanding Officer, CSSD-14, Colonel Karega was transferred to Marine Wing Support Group-47, Selfridge Air National Guard Base, Michigan where he was assigned as the Support Operations Officer and Intelligence Officer from July 1999 to May 2001.
From July 2001 to June 2004, Colonel Karega was assigned to the Naval Post Graduate School where he studied National Security Affairs and Modern Standard Arabic at the Defense Language Institute. Prior to the completion of his training, Colonel Karega was assigned to the G-2, 1st Marine Division, as the Foreign Area Officer in support of Operation Iraqi Freedom II from July 2004 to June 2005. He served as the Commanding General's envoy to the Al Anbar provincial government, tribal, and religious leadership. He transferred to the 1st Marine Logistics Group (1st MLG) in September 2005 and was assigned as the Executive Officer, Combat Logistics Battalion-7 (CLB-7), 1st MLG (Fwd) in support of Operation Iraqi Freedom 5-07 from October 2005 to September 2006. Upon redeployment, he was assigned as the Executive Officer, Combat Logistics Regiment-1 from September 2006 to August 2007.
In August 2007, Colonel Karega transferred to the I Marine Expeditionary Force (MEF) Command Element and was assigned as the Plans Officer and Deputy AC/S G-4, I MEF (Fwd). In December 2007, Colonel Karega assumed command of CLB-7. He deployed with CLB-7 in support of Operation Iraqi Freedom 09.2 from February 2009 to September 2009. Upon redeployment, Colonel Karega was assigned to the Defense Intelligence Agency and then re-assigned as the Marine Attaché to Senegal, Guinea-Bissau, The Gambia, and Cape Verde from January 2011 to February 2013. He also acted as the Senior Defense Official/Defense Attaché to Burkina Faso from March to August 2012. In this capacity, he served as advisor to the US Ambassador on military and defense issues and as liaison between the US Embassy and the host nation military service.
From February 2013 to June 2015, Colonel Karega served as the Assistant Chief of Staff, G-4, Marine Corps Installations Command (MCICOM) and Head of Services Branch (LFS), Facilities and Services Division, Installations and Logistics Department, Headquarters, U.S. Marine Corps. There, some of his responsibilities included oversight of MCICOM’s regional contracting offices, Small Business Program Management, Marine Corps general property audit preparation, and oversight of the Marine Corps’ largest service contract (the Regional Garrison Food Service Contract II).
Colonel Karega's personal awards include the Legion of Merit, Defense Meritorious Service Medal, Purple Heart, Meritorious Service Medal, Navy and Marine Corps Commendation Medal with two Gold Stars, Navy and Marine Corps Achievement Medal, Combat Action Ribbon, and the Military Outstanding Volunteer Service Medal.