About Us
Deltona Martial Arts Center is a welcoming and energetic place for anyone seeking martial arts training in Deltona. Our facility offers a positive, upbeat atmosphere where instructors across all programs teach with encouragement, professionalism, and respect. Students are encouraged to come to class with enthusiasm, curiosity, and a genuine desire to learn.
We believe martial arts is not about creating copies—it’s about helping each individual discover their own strengths. While our programs are rooted in traditional principles, we promote critical thinking and personal exploration so students can find what works best for them. We don’t place students into rigid boxes or limit growth to a single path. Every martial artist’s journey is unique, and we support that fully.
Training at Deltona Martial Arts Center goes beyond techniques and belts. Students develop physical fitness, mental resilience, confidence, and leadership skills that carry into everyday life. This experience is about your success—on the mat and beyond. No matter your age, background, or discipline, you’ll find a place to grow, belong, and become your best self within our martial arts community.
Our History
Deltona Martial Arts Center began as a passion-driven effort to bring quality martial arts training to the Deltona community. Over the years, our facility has grown from a local class offering into a thriving training center where students of all ages and skill levels come together to learn, grow, and support one another. Today we operate from our location on Deltona Boulevard, offering a variety of programs that reflect both traditional martial arts values and modern training approaches.
From the beginning, our instructors have been dedicated to more than just technique—they’ve focused on building confidence, discipline, and character in every student. Community members often share stories of how training here has helped them gain self-assurance, perseverance, and respect, both on and off the mats.
What started as a small training space has grown into a welcoming center for martial arts of all kinds. As we’ve expanded programs and welcomed more instructors and students into our family, one thing has remained constant: our belief that martial arts should be accessible, inclusive, and transformative for everyone who walks through our doors. Today, Deltona Martial Arts Center stands as a home for martial artists of all paths— united by community, shared values, and a commitment to personal growth.
Meet Our
Deltona Martial Arts Team
Owner, Katherine McNulty, leads the way at Deltona Martial Arts Center alongside General Manager Jeremy Mondragon.
At Deltona Martial Arts Center, our instructors are highly skilled professionals who bring a wide range of experience and perspectives to the mat. Together, they form a unified team dedicated to helping students grow through martial arts—physically, mentally, and personally.
Every instructor brings something unique to the table, but all share the same commitment to quality instruction, mentorship, and community. Whether guiding a student through their first class or helping them refine advanced skills, our team works together to create a supportive, challenging, and welcoming environment.
Learn more about each of our Lead Instructors and their own teams on their individual program pages and learn what makes Deltona Martial Arts a home for everyone!
Katherine McNulty
Owner – Taekwondo Program Director
Ms. Kathy is the owner and head of operations at Deltona Martial Arts Center. Her leadership ensures that everything runs smoothly and that parents and students have a positive experience.
Jeremy Mondragon
General Manager – Karate Program Director
Sensei Jeremy is the General Manager of Deltona Martial Arts Center and Chief Instructor of our Karate program. He oversees all programs that operate within our facility and ensures parent and student satisfaction.
Vincent Mattiello
Resident Taekwondo Master
Master Mattiello is the resident Master of the Taekwondo Program. He is a 7th Degree Black Belt in Taekwondo and oversees the growth and development of all our Taekwondo students.
David Sosa
Kickboxing Program Director
Sensei Sosa is our resident Kickboxing and Self-Defense Instructor. He teaches a blend of modern day kickboxing mixed with traditional Goju-Ryu Karate to deliver a curriculum centered on practical application of technique.
Tyler Martin
Jiu-Jitsu Program Director
Coach Tyler is our resident Jiu-Jitsu instructor. His program, Pythagoras Jiu-Jitsu North, teaches a wide variety of grappling technique, self-defense and competition training while also incorporating Judo and Wrestling.
Diego Ortiz
Facility Maintenance
Diego is one of the Instructors of Deltona Martial Arts. He teaches Taekwondo and our Leadership Program. Diego is also one of our many drivers responsible for bringing your children to the dojo for afterschool care safe and sound.
Rodrigo Monterroso
Social Media Manager
Coach Rodrigo teaches our Cardio Kickboxing and Self-Defense classes as well as assists in coaching our competition team. Rodrigo also manages our social media accounts where you can see our school activity on facebook and instagram.
Jazmin Ortiz
Afterschool Teacher
Ms. Jazmin is our Afterschool teacher and one of our drivers responsible for bringing your children to the dojo afterschool. When they aren’t on the mat they are in the classroom with Ms. Jazmin receiving homework help and participating in structured activities.
Level Up with the
Deltona Martial Arts Team
We are here for all your needs at Deltona Martial Arts! Our team is prepared to help you—no matter your situation or experience—and use martial arts to change your life. Come join us today and see what you can accomplish with us!
Take a look at
our schedule!
Check out our schedule and find when to add Karate to your calendar!
Contact Us!
Deltona Martial Arts Center welcomes everyone in Deltona and those nearby, including: Orange City, DeBary, DeLand, and Sanford. You can find our dojo in Deltona Plaza just off I-4 near Crunch Fitness!