About the Founder
Matt Estridge, Founder
Man on a journey w/ Christ
Fit Diesel Founder
Tier One Tactics/L.I.V.E. Founder
Air Marshal - DEA Task Force - Fighter (Ret.)
Matt Estridge is the founder of Fit Diesel, a premium fitness and performance brand built on science, experience, and results. With over 36 years of mixed martial arts training, a black belt in Brazilian Jiu-Jitsu, and years of strength & conditioning coaching including at the University of Tennessee. Matt brings a tactical precision to fitness coaching to the industry. His coaching method addresses nutrition, performance, recovery, and even women's physiological phases like pregnancy, menopause, and hormonal cycles.
Before launching Fit Diesel, Matt served as a Department of Homeland Security Federal Air Marshal, specializing in covert operations, CQB (close quarter battle), and high-risk tactical missions. He trained and operated alongside former operators from some of the most elite units in the world, including former Navy SEALs, Delta Force, and CIA contractors.
Matt served as a full time instructor for several years at a field division office of over 500 Air Marshals. He was the Lead Active Shooter Instructor, Co-Lead Defensive Tactics Instructor, Field Office Fitness Coordinator, and served as an instructor for: firearms, legal, behavior detection, in flight medical, and in flight tactical familiarization to other federal, state, and local agencies.
His federal career also included work as a DEA Task Force Officer. Where he conducted hundreds of tactical operations, mostly executing high risk search warrants. Additionally, he has trained with some of the best in IPSC shooting, MMA, FMA, wrestling, and boxing.
Matt now merges battle-tested tactics with elite-level science-backed coaching, helping everyday individuals, athletes, and professionals alike achieve their strongest, leanest, and most capable selves, physically and mentally.
Fit Diesel Founder
Tier One Tactics/L.I.V.E. Founder
Air Marshal - DEA Task Force - Fighter (Ret.)
Matt Estridge is the founder of Fit Diesel, a premium fitness and performance brand built on science, experience, and results. With over 36 years of mixed martial arts training, a black belt in Brazilian Jiu-Jitsu, and years of strength & conditioning coaching including at the University of Tennessee. Matt brings a tactical precision to fitness coaching to the industry. His coaching method addresses nutrition, performance, recovery, and even women's physiological phases like pregnancy, menopause, and hormonal cycles.
Before launching Fit Diesel, Matt served as a Department of Homeland Security Federal Air Marshal, specializing in covert operations, CQB (close quarter battle), and high-risk tactical missions. He trained and operated alongside former operators from some of the most elite units in the world, including former Navy SEALs, Delta Force, and CIA contractors.
Matt served as a full time instructor for several years at a field division office of over 500 Air Marshals. He was the Lead Active Shooter Instructor, Co-Lead Defensive Tactics Instructor, Field Office Fitness Coordinator, and served as an instructor for: firearms, legal, behavior detection, in flight medical, and in flight tactical familiarization to other federal, state, and local agencies.
His federal career also included work as a DEA Task Force Officer. Where he conducted hundreds of tactical operations, mostly executing high risk search warrants. Additionally, he has trained with some of the best in IPSC shooting, MMA, FMA, wrestling, and boxing.
Matt now merges battle-tested tactics with elite-level science-backed coaching, helping everyday individuals, athletes, and professionals alike achieve their strongest, leanest, and most capable selves, physically and mentally.