First Sergeant Peifer is a native of Lake Placid, FL. He graduated from Lake Placid High School in 2005. He enlisted in the Marine Corps in September of 2008. He graduated from Marine Corps Recruit Training Parris Island in May of 2009. After graduating Marine Combat Training on Camp Geiger, Private Peifer attended Supply Chain Management Basic Course where he was the Honor Graduate. Upon graduating Private First Class Peifer received orders to Marine Corps Logistics Base (MCLB) Albany, Georgia.
Reporting to MCLB-Albany in September of 2009, Private First Class Peifer assumed duties within the base property section serving as DPAS clerk/Property Clerk. While serving aboard MCLB-Albany. He was promoted to Lance Corporal in April of 2010, Corporal on October 2010 and Meritorious Sergeant in August of 2012. While serving aboard MCLB-Albany during this time he served on the Colors/Funeral detail as well as being the Single Marine Program President for the entire base of personnel covering all of subordinate commands.
In December of 2012, Sergeant Peifer received orders to the 22nd Marine Expeditionary Unit (MEU) where he served in the billet of the Supply Administration Chief. While serving with the 22nd MEU they started the Special Purpose Marine Air Ground Task Force in the Spain. In March of 2013 Sergeant Peifer attended Supply Chain Intermediate course aboard Camp Johnson at Ground Supply School where he graduated as the Honor Graduate of his class. In February 2014 Sergeant Peifer deployed with the 22nd MEU serving as the lead Purchase Card Holder and the Acting Supply Chief for the entire deployment. Upon returning from the Deployment Sergeant Peifer took over as the Supply Chief until receiving orders to Ground Supply School.
In November 2015, Sergeant Peifer checked into Ground Supply School to be a Supply Chain Management Basic Course Instructor. On 1 February 2016, Sergeant Peifer was promoted to Staff Sergeant Peifer. While serving as a Supply Chain Management Basic Instructor Staff Sergeant Peifer took the opportunity to go be a lead as Tax Specialists aboard Camp Lejeune. Upon completion of tax season Staff Sergeant Peifer returned to being an instructor until receiving orders to go check into Basic Recruiter Course in San Diego, California.
Upon graduation from Basic Recruiter Course Staff Sergeant Peifer checked into Recruiting Station Tampa where he was assigned to Recruiting Sub Station Sarasota as a Canvassing Recruiter and Assistant Station Commander and attending Staff Non Commissioned In-Charge course. In June of 2019, Staff Sergeant Peifer took as the Station Commander for Recruiting Sub-Station Winter Haven in Winter Haven, Florida. In December of 2020 Staff Sergeant Peifer was promoted to his current rank of Gunnery Sergeant and received order to Training Command G-4 to take over as the Supply Chief.
In March of 2021, Gunnery Sergeant Peifer transferred to Training Command where he served as the Supply Chief/G4 Chief. In September of 2022, Gunnery Sergeant Peifer, transferred to to Training and Education Command G4 Chief. During his time at Training and Education Command he was a member of the IRB and a stint as the Protocol Chief. Gunnery Sergeant Peifer was selected for First Sergeant and received orders.
First Sergeant Peifer assumed his duties as the Senior Enlisted Leader at 4th Combat Engineer Battalion Alpha Company in Charleston, West Virginia in July of 2024.
First Sergeant Peifer's personal awards includes the Meritorious Service Medal, the Navy and Marine Corps Commendation Medal in lieu of Second Award and the Navy and Marine Corps Achievement Medal in lieu of fifth award.