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 Shoppes at Woolbright, Publix 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.
Whether you're looking to build self-defense skills, develop character, or find your next great challenge, you’ll find world-class instruction and genuine care right here.
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