
THINK HOLISTICALLY
PRACTICE HONESTLY
APPLY EFFORTLESSLY
Who We Are and Why You Should Train Here,
Self-Defense Instruction, LLC is based in Colorado Springs, Colorado, and provides self-defense instruction through martial arts. SDI teaches several kinds of self-defense martial arts, but the primary organization is “Defensive Services International“. The primary self-defense martial arts taught, at SDI, focuses on the fundamental principles of self-defense using the martial art is called “Chon-Tu Kwon Hapkido“ (more commonly known as “Combat Hapkido“). The second organization that SDI is affiliated with that focuses on the fundamental principles of self-defense is called “Scientific Fighting Congress (SFC)“ (more commonly known as “Survial Centric“.
SDI is dedicated to changing the lives of people one person at a time, through martial arts, education, and coaching. We strive to provide a safe, comfortable, and welcoming atmosphere for all students and family members. We take pride in creating an environment for individuals to achieve, develop, and succeed in their personal goals.
We strongly believe that martial arts can be for everyone, regardless of age, gender or experience levels. Throughout our programs, students will not only learn the necessary skill sets to protect themselves, but we also stand behind our realistic and practical approach, confident it will enable every member to achieve greatness and live their best life.
SDI currently provide Self-Defense instruction to youth, teens and adults:
- Chun-Tu Kwan “Combat Hapkido” (13-year-olds and up)
- Scientific Fighting Congress – Hock’s Method [Survival Centric] Close Quarters Concepts / Combatives [Defensive Unarmed (Hand), Knife, Stick, and Gun Combatives] (14-year-olds and up)
- TaeKwonDo (13-year-olds and up)
- Youth TaeKwonDo (7–12-year-olds)
- Chun So Nyun “Youth” Hapkido (9–12-year-olds)
- Lil’ Dragons (4–6-year-olds)


