Professor Don Jacob is the visionary founder of Purple Dragon Don Jitsu Ryu, a dynamic and globally respected martial arts system built on tradition, discipline, and excellence. With over five decades of experience in the martial arts world, Professor Jacob has earned international recognition as a pioneer, teacher, and leader. His system blends ancient combat principles with modern-day self-defense, character building, and life mastery.
Born in Trinidad and Tobago, Professor Jacob began his journey in martial arts at a young age. Through relentless training, study, and innovation, he developed Don Jitsu Ryu — a unique and powerful martial arts discipline that emphasizes personal growth, confidence, and respect alongside physical skill. Today, his teachings have impacted hundreds of thousands of students across more than 50 countries.
A true martial arts ambassador, Professor Jacob is not only a 9th-degree Black Belt but also a published author, motivational speaker, and international examiner. He continues to guide the Purple Dragon organization with integrity and a deep commitment to excellence, regularly conducting seminars and instructor certifications worldwide.
At the heart of every Purple Dragon school is his message:
“Don Jitsu Ryu is not just a style — it is a lifestyle.”
Located in the Paz Plaza Shopping Center, the Boynton Beach branch of Purple Dragon Don Jitsu Ryu is proud to serve our local community with world-class martial arts instruction in a welcoming, family-friendly environment.
Under the leadership of Instructors Erik and Deborah Larson, our dojo is more than just a place to train, it’s a place to grow. We specialize in helping children, teens, and adults develop confidence, discipline, respect, and physical fitness through the proven Don Jitsu Ryu system created by Grandmaster Professor Don Jacob.
Whether you’re brand new to martial arts or an experienced student looking for something deeper, our dojo offers:
Our dojo is part of a global Purple Dragon family, with roots in over 50 countries, but right here in Boynton Beach, we’re building something personal: a place where families train together, children gain confidence, and warriors are made one class at a time.
Come visit us and experience the energy, purpose, and tradition of Don Jitsu Ryu, right in your neighborhood.

At the heart of our dojo are two passionate and dedicated martial artists: Instructor Erik Larson and Instructor Deborah Larson. As certified Purple Dragon Don Jitsu Ryu Black Belts and official Dojo Operators under the guidance of Professor Don Jacob, they bring a powerful combination of experience, heart, and discipline to every class.
Known affectionately by students as a strong yet encouraging mentor, Instructor Erik brings a commanding presence and a deep respect for the tradition of Don Jitsu Ryu. With years of martial arts training, leadership experience, and a commitment to youth development, he specializes in helping students build focus, confidence, and personal discipline—both on and off the mat. His classes are high-energy, motivating, and structured to push students to become their best selves.
With a nurturing spirit and a sharp eye for detail, Instructor Deborah embodies the values of patience, perseverance, and empowerment. Her calm confidence makes her especially effective with children and beginners, while her technical skill and fierce determination earn deep respect from advanced students. As a role model for young women and families, she brings strength, grace, and compassion to the dojo.
Together, Instructor Erik and Instructor Deborah are committed to creating a safe, structured, and family-friendly environment where every student is encouraged to grow—not just as a martial artist, but as a person.
Choosing the best martial arts school in Boynton Beach depends on your goals. For children, teens, adults, and families, a quality martial arts school should provide experienced instructors, structured training, practical self-defense, physical fitness, character development, opportunities for advancement, and a positive environment where beginners and experienced students can grow.
Purple Dragon Karate in Boynton Beach offers all of these through the internationally established Don Jitsu Ryu System, founded in 1970 by Grandmaster Professor Don Jacob.
Look for a school that teaches more than kicking and punching. Don Jitsu Ryu develops the complete martial artist through basics, forms, self-defense, sparring, physical conditioning, philosophy, mental development, and increasingly advanced training as students progress.
Students at Purple Dragon Karate in Boynton Beach train under certified Purple Dragon Instructors Erik and Deborah Larson. As official Purple Dragon Dojo Operators, they teach according to the standards and traditions of the Don Jitsu Ryu System.
A quality martial arts program should teach students how to protect themselves while also developing the judgment to avoid unnecessary confrontation. Purple Dragon students learn awareness, confidence, control, and practical self-defense skills appropriate to their age and experience.
Martial arts training should develop more than physical ability. Purple Dragon emphasizes self-confidence, self-discipline, focus, respect, perseverance, leadership, physical fitness, and personal responsibility both inside and outside the dojo.
Purple Dragon Karate offers martial arts classes in Boynton Beach for young children, kids, teens, adults, and families. Beginners are welcome, and students can continue progressing through increasingly advanced levels of Don Jitsu Ryu.
When you join Purple Dragon Karate in Boynton Beach, you become part of something much larger than one local dojo. Purple Dragon students have opportunities to participate in seminars, gradings, special events, and training with members of the international Purple Dragon family.
Students advance through an established ranking system in which each new belt represents continued development in martial arts skill, knowledge, discipline, and personal growth.
The best martial arts school for you or your child should be one where you feel comfortable with the instructors, students, training environment, and philosophy.
We invite you to visit Purple Dragon Karate at Paz Plaza, 3301 Boynton Beach Blvd, Suite 2, in Boynton Beach, Florida. Meet our instructors, see our students train, and discover whether Purple Dragon is the right martial arts school for your family.
Beginners are always welcome.
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