Our Dojo

The Bansenshukai Dojo is your premiere martial arts school, teaching authentic Japanese Ju-jutsu and Ninjutsu. Headquartered in the Tampa Bay area, our school offers traditional martial arts training throughout Tampa, as well as, at branch locations along the east coast of the United States.

With a focus on effective self-defense training, our martial arts forges you a person, externally and internally. As a student, you will be pushed to bring out the best in yourself. Our martial arts classes help to empower you to forge the heart of a warrior, for self-defense and also for life.

We aren't your corner karate school or competition martial arts school. The Bansenshukai Dojo offers martial arts for all experience and fitness levels, in a safe, professional, and ego-free environment.

"The physical training is challenging but fun and

contributes to helping me overcome a lifetime of fear."

-Stephanie D.


Our official school name is Bansenshukai Dojo (pronounced Bon-sen-shoe-ka-ii Doe-jo). This name was given to Renshi Mark's school in 2006, by his direct teacher Grandmaster (Soke) Shoto Tanemura. It has the meaning of "all the world's rivers collect in the sea", named after the most famous book on ninja.


At Bansenshukai Dojo, our focus is on giving you the best martial arts experience possible. That experience starts with the uniqueness of what we teach.

  • OUR INSTRUCTORS. All of our instructors are internationally certified through the Genbukan organization, based in Japan. We're not only passionate about teaching martial arts, but also about our own training. Instructors undergo their own continuous martial arts training, as well as, consistently improve the methods we teach to our students.
  • OUR MARTIAL ARTS. We teach authentic Japanese ju-jutsu and ninjutsu (ninpo), as taught by 58th Generation Grandmaster, Shoto Tanemura.
  • OUR METHODS. While we teach martial arts from a traditional perspective, we are constantly improving our teaching methods to help you get the most out of your martial arts training. There are many benefits to martial arts, and we recognize that each student's capabilities and goals can differ. We work to help you achieve your goals, while gaining valuable skills that can benefit you for the rest of your life.

If you're ready to begin your martial arts training, or for more information. Contact us today, at (813)585-3750.

"I was worried about egos and whether there were 40 somethings like me. What I have received is an improved outlook on life, that 35 lbs gone, and possibly being in the best shape of my life."

-Larry P.


Renshi Mark Bramble

The Bansenshukai Dojo is led by Chief Instructor Mark Bramble. Mark, who holds the mastership title of "Renshi", oversees training in the Tampa Bay area, as well as, numerous branch instructors in the eastern U.S..

He has been studying martial arts for over 26 years, and as a direct student of Grandmaster Shoto Tanemura, regularly travels around the world to train with his teacher. His passion for helping others has led him to teach martial arts for over 20 years. In addition to holding the title of Renshi, he currently holds a 4th degree black belt in both Ninpo and Japanese Ju-jutsu, as well as, numerous other rankings.

Sensei Joy Bramble

Sensei Joy Bramble is the Lead Instructor and Dojo-cho of Karin Dojo, overseeing day-to-day instruction at our dojo. She currently holds the rank of 3rd degree black belt in Ninpo and 1st degree black belt in Japanese Ju-jutsu. In addition to regular classes, she enjoys helping women to learn the empowerment of martial arts training.

She has trained in Japan numerous times, directly under Grandmaster Tanemura, in addition to training both abroad and in the United States.