Captain Geisler is a native of Wilkes-Barre, Pennsylvania. Captain Geisler graduated from Bloomsburg University of Pennsylvania in 2019 earning his Bachelor of Science in Business Administration with a major in finance. In January 2020, Captain Geisler reported to Officer Candidate School, OCC-233. After graduating and commissioning as a Second Lieutenant he reported to The Basic School in March 2020 and picked up with Charlie Company. After being assigned the MOS of 1302 he reported to Combat Engineer Officer Course on Camp Lejeune, North Carolina. He graduated from the course early 2021.
After graduating from Combat Engineer Officer Course, Second Lieutenant Geisler reported to 2d Combat Engineer Battalion on Camp Lejeune, North Carolina. He was assigned to Mobility Assault Company, 3rd Platoon Commander. His company attached to V3/6 and
participated as a guard force for refugees in Operation Allies Welcome (OAW) in Fort Pickett, Virginia. Following OAW, First Lieutenant Geisler served as Company Executive Officer, Headquarters & Service Company.
In June 2023, First Lieutenant Geisler reported for duty to Site Support, 4th CEB, 4th Marine Division, Company C, Lynchburg, Virginia to serve as the Inspector Instructor / Site Commander. He promoted to his current rank, Captain, in May 2024.
Captain Geisler's personal award includes the Navy Marine Corps Achievement Medal.