影武者忍術

The Original Combat Training System Since 1995

No fakes. No phonies. Real receipts.

Traditional Ninjitsu. Real combat. 53+ years of martial arts experience, built into an original system by Soke Shidoshi Steven Williams.

Join the Interest List Book a Private Lesson
Close-Quarter Combat
Aggressive
Neutralize Threat
Effective
Original System
Close-quarter weapons instruction, Shadow Warriors Ninjitsu
Legacy

Soke Shidoshi Steven Williams

Founder, Shadow Warriors Ninjitsu System

Four decades of martial arts study, competition, and teaching stand behind every technique in this system. This is not a franchise or a curriculum borrowed from someone else — it is an original method, developed, tested, and refined over a lifetime.

  • 53+ years of martial arts experience
  • 30+ years teaching self-defense
  • Multiple World Champion & Hall of Fame Inductee
  • Law enforcement & military instruction
  • Documented lineage and historic photographs
Why Shadow Warriors

Real Lineage. Documented History. Proven Experience.

Every credential below is backed by documentation, photographs, and decades of record.

53+
Years Experience
8×
World Champion
9×
Hall of Fame
30+
Years Teaching
LAPD / LASD
Law Enforcement Instructor
Original
Traditional Ninjitsu System
Training Programs

Structured Instruction, Rooted in Tradition

Adult Self Defense

Practical, real-world technique for adult students of any experience level.

Learn more →

Youth Program

Discipline, confidence, and age-appropriate self-defense for ages 5 and up.

Learn more →

Women's Programs

Focused seminars addressing real-world threats women are most likely to face.

Learn more →

Private Lessons

One-on-one instruction, available now, at your location or ours.

Learn more →

Weapons Training

Kali, Eskrima, and traditional stick and knife instruction.

Learn more →

Law Enforcement & Security

Tactics developed from decades of training officers and private security teams.

Learn more →
What Our Students Say

This dojo has a no-nonsense, bad-to-the-bone, tactical and practical approach to teaching modern-day ninjitsu. For the best possible instruction, this is the place to train. The instructor, Soke Steven Williams, has the knowledge and the credentials to back up everything he puts into teaching his students.

— Jack S., Portland, OR
Verified Yelp Review
Stay Connected

Be the First to Know

Be the first to hear about upcoming private lessons, seminars, self-defense workshops, and future training opportunities.