My SECOND interview with the awesome Coach Derek Sierra - Pro boxer, NAGA champ, LEO and fitness machine, this dude is a legit badass!!
Derek Sierra is a lead Defensive Tactics instructor with a Federal Agency. He has over 20 years of martial arts and fitness experience. Some of Derek's credentials are listed below.
> Certified federal law enforcement defensive tactics instructor.
> Certified krav maga instructor
> Certified law enforcement krav maga instructor.
> Full instructor jeet kune do/Filipino martial arts.
> Purple belt Brazilian jiu jitsu.
> Submission grappling competitor.
> Former pro Fighter
> Lead physical fitness coordinator federal law enforcement agency.
> Certified federal law enforcement physical fitness instructor.
>Certified Tactical Athlete Instructor
> Crossfit level 1 certified
> Crossfit kettle bell certified
> Training for warriors level 1
> Burn with kearns mma conditioning level 1
> Former army master fitness trainer.
