Brent Herzberger was raised in Brookfield, Ohio. After graduating from Brookfield High School in 1989 he enlisted into the Active Army. He attended basic training at Fort Leonard Wood, MO where he graduated as a 12C Bridge Crewmember. His first duty station was Fort Stewart, GA with the 3rd Engineer BN, 24th Infantry Division whom he deployed with during Desert Shield and Desert Storm. His other active-duty assignment was with the 50th Engineer CO, 2nd Infantry Division, Camp Pelham, Korea. He was released from active duty, moved to Hubbard, Ohio and joined the Pennsylvania National Guard in 1995. He was assigned to 1-107th Field Artillery, Hermitage, PA for a year before he re-classed and became a Horizontal Construction Engineer and was assigned to C Company, 216th Engineer Battalion in Austintown Ohio. He deployed to Iraq in support of Operation Iraqi Freedom from 2004 to 2005 with the 1st Infantry Division where they performed a wide array of Engineering missions from road and airfield repairs, building entry control points and the hardening of base perimeters. SFC Herzberger returned from Iraq and was hired on as a Range Technician at Ravenna Training & Logistics Site (RTLS) as it was known before becoming Camp Ravenna. In 2006 he was selected for an Active Guard & Reserve (AGR) Readiness NCO position and promoted to Staff Sergeant to stand up three new Engineer Detachments under the 16th Engineer Brigade at RTLS. In 2008, he was nominated for the McClain-Haney NCO Award of Excellence for this task.

In 2009 he transferred to the 1192nd Engineer Company where he served as a Training NCO and was their Rear Detachment Readiness NCO during their deployment in 2009 to Iraq. In 2013 he was selected to take on the Course Manager position for the Warrior Leader Course, with the 147th Regional Training Institute (RTI) and promoted to Sergeant First Class. Here he was afforded an opportunity to take on the role of an instructor developing young Non-Commissioned Officers to return them to their units as capable leaders. During his time at the RTI, his course was twice accredited to the highest standards by the United States Sergeants Major Academy which led to the 147th RTI receiving an "Institute of Excellence” rating both times. In 2017 he was selected to return to Camp Ravenna now known as Camp James A. Garfield where he worked as a Range Operations NCO until his retirement.