Dorr is a retired U.S. Navy SEAL with 20 years of Naval Special Warfare experience ranging from Special Warfare Operator, Lead Sniper, Lead Breacher, Communicator, Range Officer in Charge (OIC), and close-quarters battle (CQB) and Weapons Instructor.
Dorr had six operational SEAL tours of duty during his career serving in Operation Iraqi Freedom (OIF), Operation Enduring Freedom (OEF), and Operation Inherent Resolve (OIR).
During his career, he also spent six years as weapons, CQB, and breaching instructor, achieving the rating of Master Training Specialist in these three specialties.
Dorr served tours as a BUD/S instructor and as a SEAL Qualification Training (SQT) instructor responsible for curriculum development and teaching the basic weapons and CQB courses for all U.S. Navy SEAL candidates.
He has trained over 1,000 Navy SEAL candidates in combat shooting and marksmanship with the M4 carbine, Sig Sauer P226, Glock 19, MK18, MK 46, MK 48, and various 40mm grenade launchers.
Dorr was hand-selected in 2017 by his command to rebuild the combat pistol/ carbine course for the West Coast SEAL teams. Working with the best instructors around, he ushered in a new modern tactical shooting program, which is still in use today.