Colonel Jarosz was born in Chicago, Illinois and spent his middle and high school years in Oakland, California. He earned a Bachelor’s Degree from Gonzaga University in Spokane, Washington and a Master’s Degree from Syracuse University. He received his commission in 1992 after completing Officer Candidate School. Following graduation from The Basic School and the Logistics Officer Course, he was assigned to First Light Armored Reconnaissance Battalion, First Marine Division, Camp Pendleton, California. During his three-year tour there, he served as the Maintenance Management Officer, Assistant Logistics Officer and Logistics Officer.
In 1996, he transferred to Okinawa, Japan where he served with the 31st Marine Expeditionary Unit (MEU) as the Assistant Logistics Officer. During this tour, the 31st MEU participated in exercises conducted in Thailand, Korea, Vladivostok, Russia and Australia.
In the summer of 1997, he was assigned to Naval Reserve Officer Training Command, University of California, Berkeley for duty as Marine Officer Instructor. Following this tour, he graduated from the Amphibious Warfare School at Quantico, Virginia in May 2001. He then transferred to Marine Corps Base, Camp Pendleton where he served under the Assistant Chief of Staff for Logistics as both Operations Officer and Mobilization Officer. He was promoted to Major in September 2001.
In January 2003, he joined 11th MEU as Logistics Officer and deployed twice in support of Operation Iraqi Freedom. Upon redeploying from Iraq in 2005, he transferred to the Marine Corps Recruit Depot, San Diego, California where he served both as Operations Officer and as Executive Officer, Headquarters and Service Battalion. He was promoted to Lieutenant Colonel in October 2007 and then in July 2008, transferred to Korea for duty as the Assistant Chief of Staff, Logistics, Marine Forces Korea.
In June 2009, Lieutenant Colonel Jarosz returned to Camp Pendleton and reported to 1st Marine Logistics Group for duty as Commanding Officer, Combat Logistics Battalion Five (CLB-5). The battalion deployed to Helmand Province, Afghanistan from March to October 2010 in support of Operation Enduring Freedom. During its deployment, CLB-5 provided direct logistics support to Regimental Combat Team-7 in southern Helmand. Upon relinquishing command, he reported to Carlisle Barracks, Carlisle, Pennsylvania in July 2011 as a student at the U.S. Army War College.
Upon completing the Master’s program in Strategic Studies in 2012, he transferred to United States Special Operations Command, MacDill Air Force Base, Tampa, Florida where he served in the Logistics Directorate (J4) as Chief of Operations, Plans and Strategy Division and Deputy Director. He was promoted to Colonel in January 2014.
Colonel Jarosz is married to the former Bernadette Pasquale of San Clemente, California. They have three children, Sophia, Gabriella, and Jackson.