About BIHYU Martial Arts
BIHYU Martial Arts (비휴 무도) was founded to provide structured training in traditional Korean martial arts with a clear focus on discipline, technical precision, and long-term development.
Our programs are designed not only to teach martial arts, but to help students develop confidence, discipline, and habits that carry into everyday life.
Training is offered through partnerships with local community centers, schools, and wellness programs, making high-quality martial arts instruction accessible to children, youth, adults, and older participants across the Bay Area.
To develop disciplined and capable individuals through structured martial arts training that builds technical skill, self-control, and long-term personal growth.
Our Mission
To create a training environment where traditional martial arts are practiced with integrity, technical excellence, and respect for cultural tradition — supporting lifelong physical development, discipline, and personal growth.
Our Vision
Our Martial Arts Philosophy
BIHYU Martial Arts is guided by a training philosophy rooted in the traditions of Korean martial arts.
Our approach views martial arts not simply as physical exercise or competitive sport, but as a disciplined practice that develops both the body and the mind over time.
Training emphasizes patience, consistency, and attention to detail. Students learn that real progress comes through repeated practice, gradual improvement, and respect for the learning process.
Rather than focusing on rapid advancement or short-term results, BIHYU Martial Arts prioritizes strong fundamentals, technical precision, and responsible partner training. This approach supports long-term development of skill, confidence, and self-discipline.
Through structured instruction, students develop coordination, balance, and body awareness while also building habits of perseverance, respect, and personal responsibility.
For many students, this training becomes more than a physical activity — it becomes a foundation for lifelong learning, personal growth, and long-term well-being.
Integrity over image
We do not sell rank or shortcuts. Progress is earned through effort, consistency, and real development.
Technical precision
Training emphasizes correct movement, structure, and understanding — helping students build skill efficiently and safely.
Controlled intensity
We train with focus and discipline in a respectful, structured, and supportive environment.
Self-mastery
Martial arts training develops character, responsibility, and the ability to maintain control under pressure.
Respect for tradition
Our programs honor the heritage of Korean martial arts while applying them responsibly in modern training environments.
Excellence in details
Small details matter. Precision, discipline, and attention to detail are what lead to long-term mastery.
Our Core Values
Claudio Fernandez
Founder & Head Instructor, BIHYU Martial Arts
Certified Tai Chi for Health Instructor
Claudio Fernandez is the founder and lead instructor of BIHYU Martial Arts.
He holds the rank of Second Dan (2nd-degree black belt) in Korean martial arts and has trained in South Korea, where he was exposed to traditional training methods and the cultural foundations behind martial arts practice.
His teaching focuses on structured training that develops discipline, technical skill, and long-term progress, rather than short-term performance or entertainment.
Claudio is currently continuing his training toward Third Dan while maintaining a strong commitment to safe instruction, technical accuracy, and responsible teaching standards.
In addition to his martial arts background, he is certified through the Tai Chi for Health Institute in the following evidence-based programs:
• Certified Instructor — Tai Chi for Arthritis
• Certified Instructor — Tai Chi for Arthritis & Fall Prevention
• Certified Instructor — Seated Tai Chi for Arthritis
These programs are internationally recognized for improving balance, mobility, and confidence, especially for adults and older participants.
Claudio’s teaching approach emphasizes structure, respect, and individual development. Classes are designed to be safe, organized, and appropriate for students of different ages and experience levels.
Through BIHYU Martial Arts, his goal is to provide a training environment where students can build confidence, discipline, and physical ability through consistent and structured practice.
Master Cha Kyeong-shin
Master & Senior Advisor, BIHYU Martial Arts
Master Cha Kyeong-shin is a senior Korean martial arts instructor and educator with decades of experience in traditional martial arts training, academic instruction, and organizational leadership.
He currently serves as President of BIHYU Martial Arts Center in South Korea (separate organization) and is affiliated with national martial arts organizations. He is also an Adjunct Professor in the Department of Oriental Martial Arts at Youngsan University, where he contributes to the academic development of traditional martial arts studies.
Master Cha has completed advanced training through the UNESCO International Centre of Martial Arts (ICM) and is a member of the Korea Hapkido Leaders Association.
His martial arts background includes advanced ranks in multiple Korean systems:
• Kuk Sool Won — 6th Dan
• Hapkido — 6th Dan
• Sippalki (18 Traditional Martial Arts) — 4th Dan
• Gyeok-tu-gi (Combat Arts) — 4th Dan
• Taekwondo — 4th Dan
Master Cha’s work emphasizes traditional technique, structured training, and responsible instruction, bridging classical Korean martial arts with modern educational approaches.
He serves as a technical advisor to BIHYU Martial Arts, supporting the development of structured training methods and maintaining alignment with traditional Korean martial arts principles.
