United Studios of Self Defense

The dojo, United Studios of Self Defense (USSD) Yorba Linda, is an award-winning martial arts school that has been serving the community since 1993. The dojo offers a variety of classes for kids, teens, and adults, including karate, bully-prevention, and women's self-defense. The classes are designed to help students build confidence, strength, and character, while also learning valuable life skills. The dojo's instructors, led by Chief Instructor Master Trent Zappen, are highly experienced and dedicated to helping each student reach their full potential. The dojo also offers a unique opportunity for students to train with the world-renowned Jackie Chan Stunt Team in Beijing. With a focus on community-driven culture, USSD Yorba Linda provides a supportive and inclusive environment for students of all ages and abilities.