After receiving a Bachelors of Arts from Miami University, Lieutenant Colonel Brian Schweers was commissioned a Second Lieutenant in May 2002. Upon completion of initial training, he reported to Battery L, 3rd Battalion, 10th Marines. His assignments included Forward Observer, Fire Direction Officer (FDO), and Platoon Commander. He completed two tours in support of Operation Iraqi Freedom.
In 2006 Lieutenant Colonel Schweers reported to 1st Air Naval Gunfire Liaison Company, 1st Marine Headquarters Group. His billets were Firepower Control Team Leader and Supporting Arms Liaison Team Leader. He completed two tours in support of Operation Iraqi Freedom and one tour in support of Operation Enduring Freedom.
Lieutenant Colonel Schweers attended the Field Artillery Captains Career Course at Fort Sill, Oklahoma in the summer of 2010. Upon graduation, he reported to 1st Battalion, 11th Marines. His assignments included Battery C Commanding Officer, Battalion Operations Officer, and Battalion Assistant Fire Support Officer.
In 2014 Lieutenant Colonel Schweers reported to Expeditionary Warfare School (EWS) where he served as a Faculty Advisor and Curriculum Developer. Following EWS, he reported to 1st Battalion, 12th Marines where he served as the Battalion Logistics Officer and Battalion Executive Officer.
In 2018 Lieutenant Colonel Schweers reported to Programs and Resources, Headquarters Marine Corps where he served as the Assistant Program Development Officer and Program Development Officer.