Kaicho Rowdy Hall has been a student of the Martial Arts since 1964. On September 16th, 2012, he was given the honor as Technical Adviser by Senior Professor James Muro for the Chow-Hoon System. On November 13th, 2010, he was awarded the title of Professor, by the Kilohana Martial Arts Association. On July 30th, 2005, Kaicho was inducted into the United States Martial Arts Hall of Fame. On January 1st, 2000, Kaicho Rowdy Hall Founded Shikon-Ryu Aikibudo. Kaicho is also the Co-Founder of Koshiden-Ryu Jujutsu.  Since 2009, Professor Hall is actively on the Executive & Standard Boards with the Kilohana Martial Arts Educational & Cultural Association. He is currently the Treasurer of Kilohana and former President and Vice President of Kilohana Martial Arts Educational & Cultural Association.  Kaicho is currently an active member of Jujutsu America 

     Kaicho Rowdy Hall holds the following ranks; Founder & Chief Instructor of Shikon-Ryu Aikibudo, Co-founder of Koshiden-Ryu Jujutsu, Menkyo Kaiden in Hakko-Ryu Jujutsu, 5th Degree Black Belt in American Kenpo, Yondan in Seibukan Jujutsu, , Sandan in Aikido / Aikibujutsu, Shoden Renshi in Shinkendo & Sandan in Toyama –Ryu Batto-Jutsu, and Shodan in Kodokai Daito-Ryu Aikijujutsu. He has also trained in a variety of martial art systems including, Judo, Enshin-Itto-Ryu Iaido, Kokodo Kyu Shin Ryu Jujutsu, Chinese Bok-Fu, Boxing & Inayan Eskrima. 

     Kaicho Rowdy Hall is heavily involved in the healing art. He owns and operates Restoration BodyWorX, Located next to Renkishin Dojo, in Morgan Hill, Ca. He is certified & license by the State of California as a Sport Rehabilitation Therapist & Massage Therapist. He is a Professional Member with the American Massage Therapy Association.  He is the Director of Academics for the School of Kilohana Massage & Healing Arts, where Professor Okazaki and Professor Sig Kufferath method of Restoration Massage is taught. 

     He holds Certificates in both the Basic & Advance levels of Hawaiian Massage as taught by Professor James Muro.  Acupressure Points (Koho Shiatsu) as taught by Shodai Soke Yasuhiro Irie.  He is a Graduate of the National Academy of Sports Medicine (Performance Enhancement & Corrective Exercise Specialist).  Certified Post Rehabilitative Exercise Specialist, through the American Fitness Professional & Associates. De Anza College Sports Massage program, taught by Dr. Justin Brink,  Certified Kineso Taping  Practitioner, Certified  Instructor in Power taping by Rock Tape, Certified in GavilanPTB Techniques, (Instrument assisted Soft tissue Mobilization) and Certified in Level 1 courses in both Functional Movement Screening and Core Training System (FMS) and Selective Function Movement Assessment (SFMA). And as of April 2012, Rowdy Hall passed his ATC National certification through the National Athletic Trainers Association (NATA). Rowdy Hall continues his education in Therapeutic & Rehabilitation Therapies. Professor Hall is currently enrolled in the Doctorate Program for Oriental Medicine and Acupuncture. He hopes to complete his doctorate in 2016. 

     Kaicho Rowdy Hall is a Retired Police Officer with the City of San Jose, Ca. He is a graduate of the FBI Swat School, San Jose Police Merge Handgun School, Thunder Ranch & Gun Sight advance certification courses in pistol, carbine rifle, and Shotgun. He has experience in undercover narcotics, narcotic enforcement, high risk entries, and dignitary protection. He is a Tactical Defensive Instructor both in armed and unarmed defense. He has his advance Law Enforcement instructor’s certification in the Koga method, FBI tactical defense, & Krav Maga. Prior to joining law enforcement, Kaicho Hall served in the United States Army’s 1st/75th Airborne Rangers, then later joined the 10th Special Forces Group.