Crolin & his son Rulivan Gracie.

Crolin & his son Rulivan Gracie.

Crolin Gracie

Founder of GracieOne & Gracie Gym Team.


Crolin Gracie is One of the true martial arts legends, a Jiu-Jitsu Coral belt from the famous Gracie family. He is the son of Gracie Jiu Jitsu founder Carlos Gracie Sr. Like most men in the Gracie family,  Crolin started training Jiu Jitsu as an infant. He had formal instructor from many of the Gracie Patriarchs, but the biggest influences were the legendary Rolls Gracie and his father Carlos Gracie who later awarded him with his black belt.


Clint Bounds
Owner & Head Professor of the GracieOne’s Academy’s.


Ronis Gracie
Grandson of the creator of Brazilian Jiu-Jitsu.

Head Jiu-Jitsu Professor at Gracie One Academy.


Antonio Cicconi
Head Jiu-Jitsu Professor at Preston Hollow Location

•Black BELT 4th degree IBJJf

•IBJJF Referee

•2 x International Champion

•Paulista Champion

•2nd place Brazilian Championship 

•IBJJF South American Champion

•2nd place Mercosul Championship 

•3rd place European  Championship IBJJF

•2x 3rd place World Championship 

•2nd place National  Pro Championship UAEJJ 

•Champion at  Naga Championship 

•Champion at Newbreed Championship 

•Champion at SP Open IBJJF

•Champion at NY Open IBJJF

•Champion at Atlanta Open IBJJF

•Champion at Orlando Open Championship IBJJF

Born in 1976.  A Judo Brown Belt, graduated in Physical Education, competitor since 1996 earning  over 250 medals, and more than 100 titles.  He has been teaching Jiu Jitsu since 1999, and a team leader since 2002.  He has promoted more than 50 Black Belts, and since 2009, has taught more than 60 seminars in many countries.


Mari Cicconi
Jiu-Jitsu Professor

•Brazilian Jiu Jitsu Black Belt registered at FPJJ, CBJJ, IBJJF

•2nd place at world championship 

•2nd place at Paulista Championship 

Born in 1979, graduated in International Trade.  Mari has a passion for teaching self defense seminars, and also has a strong back ground teaching kids’ and women’s classes. Began Jiu Jitsu when she was 28 years old and fell in love with it. Even after 2 pregnancies she remained focused on her Jiu Jitsu path. Now, both of her kids trains Jiu Jitsu with her. Jiu Jitsu is part of the family’s life, where kids and parents are part of the same content together.


Nathan Bagby
Muay Thai / Kickboxing Coach

Jiu-Jitsu Instructor

Nathan Bagby has been training in the martial arts for over 25 years. He has trained in many disciplines including Muay Thai, kick boxing, boxing, brazilian jiu-jitsu, and karate, as well as being versed in close quarter combatives. He has years of experience training everyone from UFC fighters to CEOs, from soccer moms to children. Within the last few years he has also become a public speaker sharing his wealth of knowledge to those interested in personal safety.