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Master Chief Olszewski was born and raised in Poland. He migrated to the United States in 1997 and enlisted in the United States Navy in September 1998.
Following completion of basic training at Recruit Training Command, Great Lakes, Illinois, he reported to Naval School of Health Sciences, Great Lakes, where he completed Hospital Corps "A" school. He then continued his medical training at Field Medical Service School at Camp Pendleton, California, where he earned his 8404 NEC and graduated as the Platoon Education Petty Officer.
His first naval tour was to Naval Hospital Okinawa, Japan from July 1999 to April 2003. From May 2003 to July 2006, he was stationed at 1st Marine Division, Camp Pendleton, California, where he was assigned to Weapons Company 1st Battalion 5th Marines during the first "Battle of Fallujah". He was then assigned to H&S Company during his second deployment; this time to Ramadi, Iraq. Following his tour with 1st Marine Division, he transferred to Naval School of Health Sciences San Diego, California, where he attended Advanced Radiography School. He graduated with Honors and Distinctions on 7 September 2007.
In October 2007, he reported to Naval Health Clinic Great Lakes, Illinois, and was selected as the Senior Sailor of the Year FY 2008. The following year he deployed with 22nd Marine Expeditionary Unit 3rd Battalion 2nd Marines attachment USS Ponce LPD 15 to the Mediterranean.
In October 2011, he reported to 1st Marine Aircraft Wing, Okinawa, Japan and served as the Senior Enlisted Leader for the Marine Aircraft Group 36 and the Marine Air Control Group 18. He reported to Naval Hospital Okinawa, Japan in December 2014 and served as the Senior Enlisted Leader for the Directorate of Clinical Support Services. In December 2017, he reported to 3d Marine Regiment out of Hawaii where he served as the Navy Senior Enlisted Leader. Assumed responsibilities as Command Master Chief of Navy Medicine Readiness and Training Command Pearl Harbor on August 16, 2019 and transferred 18 June 2021.
Master Chief Olszewski served as Command Master Chief of 3D Dental Battalion and U.S. Naval Dental Center Okinawa Japan from Jul 2021 to Jul 2023.
He is a graduate of the Senior Enlisted Academy (Class 196 Blue) and his civilian education includes a bachelor's degree in Health Care Administration from Trident University in California. He also is a graduate of CMC/COB course 214 21050. His decorations include the Meritorious Service Medal (two awards), Navy and Marine Corps Commendation Medal (three awards), Navy and Marine Corps Achievement Medal (four awards), Enlisted Surface Warfare, and Fleet Marine Force Warfare designations.
Bureau of Medicine and Surgery
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